#5E7BCF
Closest named color: Windows Blue (#3778BF). oklch(60% 0.133 267.9), rgb(94, 123, 207).
Aa
Black text reads best on this color (5.21:1).
About this color
#5E7BCF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.133 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.049 away. Black text reads best on it, at 5.21:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 5.21:1 |
| White text | 4.03:1 |
Values
| HEX | #5E7BCF |
| RGB | rgb(94, 123, 207) |
| HSL | hsl(225, 54%, 59%) |
| OKLCH | oklch(60% 0.133 267.9) |
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 #5E7BCF | 4.03:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #5E7BCF | 5.21:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #5E7BCF text on white | 4.03:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #5E7BCF text on black | 5.21:1 | AA | Lc -34.3 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#AEC0EC
oklch(80.9% 0.066 267.5)
-
Step 400
400
#859EE2
oklch(70.7% 0.104 268.2)
-
Step 500
500 (this color)
#5E7BCF
oklch(60% 0.133 267.9)
-
Step 600
600
#4F6DC7
oklch(55.7% 0.144 267.7)
-
Step 700
700
#405AAC
oklch(49.1% 0.134 268)
-
Step 800
800
#354A8B
oklch(42.7% 0.111 268)
-
Step 900
900
#2E3E6F
oklch(37.6% 0.086 268.4)
-
Step 950
950
#1B2541
oklch(27% 0.054 267.8)
#5E7BCF 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) | #5884D2 | 0.024 |
| Deuteranopia (no green cones) | #4A7ACD | 0.023 |
| Tritanopia (no blue cones) | #1F8D9B | 0.118 |
| Achromatopsia (no color) | #7F7F7F | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E7BCF
#5E7BCF
oklch(60% 0.133 267.9)
- #9F7B00
#9F7B00
oklch(60.1% 0.123 88)
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 #5E7BCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.049
- Soft Blue #6488EA ΔE 0.050
- Cool Blue #4984B8 ΔE 0.053
- Dark Sky Blue #448EE4 ΔE 0.056
- Steel Blue #4682B4 ΔE 0.056
- Water Blue #0E87CC ΔE 0.060
- Off Blue #5684AE ΔE 0.063
- Faded Blue #658CBB ΔE 0.063
Use #5E7BCF 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.