#0D7EBF
Closest named color: Windows Blue (#3778BF). oklch(57% 0.134 242.9), rgb(13, 126, 191).
Aa
Black text reads best on this color (4.75:1).
About this color
#0D7EBF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.134 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.024 away. Black text reads best on it, at 4.75:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.75:1 |
| White text | 4.41:1 |
Values
| HEX | #0D7EBF |
| RGB | rgb(13, 126, 191) |
| HSL | hsl(202, 87%, 40%) |
| OKLCH | oklch(57% 0.134 242.9) |
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 #0D7EBF | 4.41:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #0D7EBF | 4.75:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #0D7EBF text on white | 4.41:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #0D7EBF text on black | 4.75:1 | AA | Lc -31.6 | 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 600.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C7DCEE
oklch(88.4% 0.034 244)
-
Step 300
300
#9FC6E5
oklch(80.9% 0.061 242.5)
-
Step 400
400
#69A8D8
oklch(70.8% 0.096 242.6)
-
Step 500
500
#3A91CE
oklch(63.2% 0.123 243)
-
Step 600
600 (this color)
#0D7EBF
oklch(57% 0.134 242.9)
-
Step 700
700
#00669E
oklch(49% 0.119 243.2)
-
Step 800
800
#005482
oklch(42.8% 0.102 242.4)
-
Step 900
900
#114668
oklch(37.8% 0.079 242.1)
-
Step 950
950
#0C293D
oklch(27% 0.051 242.2)
#0D7EBF 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) | #5F80C2 | 0.060 |
| Deuteranopia (no green cones) | #4771BE | 0.045 |
| Tritanopia (no blue cones) | #008E95 | 0.091 |
| Achromatopsia (no color) | #787878 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D7EBF
#0D7EBF
oklch(57% 0.134 242.9)
- #AC6300
#AC6300
oklch(57% 0.13 62.8)
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 #0D7EBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.024
- Nice Blue #107AB0 ΔE 0.024
- Water Blue #0E87CC ΔE 0.030
- Steel Blue #4682B4 ΔE 0.040
- Cool Blue #4984B8 ΔE 0.043
- Flat Blue #3C73A8 ΔE 0.044
- Blue NCS #118AB2 ΔE 0.045
- Mid Blue #276AB3 ΔE 0.055
Use #0D7EBF 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.