#5E9BDA
Closest named color: Cornflower Blue (#6495ED). oklch(67.5% 0.113 250.6), rgb(94, 155, 218).
Aa
Black text reads best on this color (7.17:1).
About this color
#5E9BDA is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.113 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.037 away. Black text reads best on it, at 7.17:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.17:1 |
| White text | 2.92:1 |
Values
| HEX | #5E9BDA |
| RGB | rgb(94, 155, 218) |
| HSL | hsl(210, 63%, 61%) |
| OKLCH | oklch(67.5% 0.113 250.6) |
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 #5E9BDA | 2.92:1 | Fails | Lc -60.8 | Content text, not long reading |
| Black text on #5E9BDA | 7.17:1 | AAA | Lc 48.5 | Large or bold text, headings |
| #5E9BDA text on white | 2.92:1 | Fails | Lc 55.5 | Large or bold text, headings |
| #5E9BDA text on black | 7.17:1 | AAA | Lc -46.3 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C6DCF3
oklch(88.5% 0.04 249.5)
-
Step 300
300
#9FC5ED
oklch(81% 0.07 250)
-
Step 400
400 (this color)
#5E9BDA
oklch(67.5% 0.113 250.6)
-
Step 500
500
#3A8DDD
oklch(63.1% 0.145 250.6)
-
Step 600
600
#0675CB
oklch(55.5% 0.158 250.7)
-
Step 700
700
#0062AD
oklch(49.1% 0.142 250.8)
-
Step 800
800
#02508E
oklch(42.6% 0.122 250.7)
-
Step 900
900
#114371
oklch(37.6% 0.094 250.6)
-
Step 950
950
#0C2842
oklch(27.1% 0.059 249.5)
#5E9BDA 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) | #819EDD | 0.041 |
| Deuteranopia (no green cones) | #7091D9 | 0.031 |
| Tritanopia (no blue cones) | #00AAB1 | 0.097 |
| Achromatopsia (no color) | #979797 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E9BDA
#5E9BDA
oklch(67.5% 0.113 250.6)
- #C38A40
#C38A40
oklch(67.6% 0.114 70.7)
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 #5E9BDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.037
- Chefchaouen Blue #4895EF ΔE 0.043
- Dark Sky Blue #448EE4 ΔE 0.050
- Faded Blue #658CBB ΔE 0.054
- Soft Blue #6488EA ΔE 0.061
- Greyblue #77A1B5 ΔE 0.067
- Perrywinkle #8F8CE7 ΔE 0.073
- Silver Lake Blue #778DA9 ΔE 0.075
Use #5E9BDA 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.