#5E7BEB
Closest named color: Cornflower (#6A79F7). oklch(61.7% 0.171 269.9), rgb(94, 123, 235).
Aa
Black text reads best on this color (5.50:1).
About this color
#5E7BEB is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.171 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.024 away. Black text reads best on it, at 5.50:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.50:1 |
| White text | 3.81:1 |
Values
| HEX | #5E7BEB |
| RGB | rgb(94, 123, 235) |
| HSL | hsl(228, 78%, 65%) |
| OKLCH | oklch(61.7% 0.171 269.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #5E7BEB | 3.81:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #5E7BEB | 5.50:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #5E7BEB text on white | 3.81:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #5E7BEB text on black | 5.50:1 | AA | Lc -36.3 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CDD8F9
oklch(88.4% 0.047 270.8)
-
Step 300
300
#ABBFF8
oklch(81% 0.084 269.5)
-
Step 400
400
#809BF4
oklch(70.7% 0.134 269.9)
-
Step 500
500 (this color)
#5E7BEB
oklch(61.7% 0.171 269.9)
-
Step 600
600
#4B66DE
oklch(55.7% 0.185 269.8)
-
Step 700
700
#3C53C1
oklch(49% 0.174 269.9)
-
Step 800
800
#32459C
oklch(42.7% 0.143 270)
-
Step 900
900
#2B3B7C
oklch(37.7% 0.112 269.9)
-
Step 950
950
#192349
oklch(27% 0.072 270)
#5E7BEB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #4389EF | 0.040 |
| Deuteranopia (no green cones) | #297DE9 | 0.045 |
| Tritanopia (no blue cones) | #0094A8 | 0.147 |
| Achromatopsia (no color) | #838383 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E7BEB
#5E7BEB
oklch(61.7% 0.171 269.9)
- #A38100
#A38100
oklch(61.8% 0.126 90.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #5E7BEB, closest first.
No curated palette has a color within ΔE 0.04 of #5E7BEB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.024
- Soft Blue #6488EA ΔE 0.036
- Clear Blue #247AFD ΔE 0.054
- Dark Sky Blue #448EE4 ΔE 0.055
- Medium Slate Blue #7B68EE ΔE 0.056
- Royal Blue #4169E1 ΔE 0.061
- Dodger Blue #1E90FF ΔE 0.066
- Chefchaouen Blue #4895EF ΔE 0.067
Use #5E7BEB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.