#0C7DBB
Closest named color: Nice Blue (#107AB0). oklch(56.5% 0.13 241.8), rgb(12, 125, 187).
Aa
Black text reads best on this color (4.66:1).
About this color
#0C7DBB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.130 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Nice Blue (#107AB0), ΔE 0.018 away. Black text reads best on it, at 4.66:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Nice Blue (#107AB0) |
| Black text | 4.66:1 |
| White text | 4.50:1 |
Values
| HEX | #0C7DBB |
| RGB | rgb(12, 125, 187) |
| HSL | hsl(201, 88%, 39%) |
| OKLCH | oklch(56.5% 0.13 241.8) |
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 #0C7DBB | 4.50:1 | AA | Lc -76.2 | Fine for body text |
| Black text on #0C7DBB | 4.66:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #0C7DBB text on white | 4.50:1 | AA | Lc 70.7 | Content text, not long reading |
| #0C7DBB text on black | 4.66:1 | AA | Lc -31.0 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C7DCED
oklch(88.4% 0.033 242.4)
-
Step 300
300
#A0C6E4
oklch(80.9% 0.059 242.2)
-
Step 400
400
#69A8D6
oklch(70.7% 0.094 241.5)
-
Step 500
500
#3B91CB
oklch(63.1% 0.12 241.9)
-
Step 600
600 (this color)
#0C7DBB
oklch(56.5% 0.13 241.8)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800
#015481
oklch(42.7% 0.101 242)
-
Step 900
900
#114667
oklch(37.8% 0.078 241.3)
-
Step 950
950
#0D293C
oklch(27% 0.049 241.5)
#0C7DBB 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) | #5F7FBE | 0.061 |
| Deuteranopia (no green cones) | #4870BA | 0.046 |
| Tritanopia (no blue cones) | #008C93 | 0.087 |
| Achromatopsia (no color) | #777777 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C7DBB
#0C7DBB
oklch(56.5% 0.13 241.8)
- #AB6100
#AB6100
oklch(56.5% 0.13 61.8)
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 #0C7DBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Nice Blue #107AB0 ΔE 0.018
- Windows Blue #3778BF ΔE 0.025
- Water Blue #0E87CC ΔE 0.035
- Flat Blue #3C73A8 ΔE 0.039
- Steel Blue #4682B4 ΔE 0.039
- Blue NCS #118AB2 ΔE 0.044
- Cool Blue #4984B8 ΔE 0.044
- Muted Blue #3B719F ΔE 0.050
Use #0C7DBB 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.