#125E9A
Closest named color: Peacock Blue (#016795). oklch(47.1% 0.119 248.5), rgb(18, 94, 154).
Aa
White text reads best on this color (6.78:1).
About this color
#125E9A is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.119 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.029 away. White text reads best on it, at 6.78:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.09:1 |
| White text | 6.78:1 |
Values
| HEX | #125E9A |
| RGB | rgb(18, 94, 154) |
| HSL | hsl(206, 79%, 34%) |
| OKLCH | oklch(47.1% 0.119 248.5) |
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 #125E9A | 6.78:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #125E9A | 3.09:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #125E9A text on white | 6.78:1 | AA | Lc 82.9 | Fine for body text |
| #125E9A text on black | 3.09:1 | AA large text | Lc -19.0 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#C9DBEE
oklch(88.4% 0.033 249.6)
-
Step 300
300
#A4C4E5
oklch(80.8% 0.058 249.3)
-
Step 400
400
#72A6D8
oklch(70.8% 0.092 248.3)
-
Step 500
500
#4A8ECD
oklch(63% 0.118 248.6)
-
Step 600
600
#2977BA
oklch(55.5% 0.128 248.6)
-
Step 700
700 (this color)
#125E9A
oklch(47.1% 0.119 248.5)
-
Step 800
800
#195282
oklch(42.7% 0.099 248.2)
-
Step 900
900
#1C4468
oklch(37.7% 0.077 248.4)
-
Step 950
950
#11283D
oklch(26.9% 0.049 248.1)
#125E9A 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) | #41619C | 0.040 |
| Deuteranopia (no green cones) | #2C5699 | 0.025 |
| Tritanopia (no blue cones) | #006C74 | 0.085 |
| Achromatopsia (no color) | #5B5B5B | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #125E9A
#125E9A
oklch(47.1% 0.119 248.5)
- #804E00
#804E00
oklch(47.1% 0.103 68.2)
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 #125E9A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.029
- Denim Blue #3B5B92 ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.032
- Dusk Blue #26538D ΔE 0.035
- Denim #3B638C ΔE 0.043
- Dusky Blue #475F94 ΔE 0.046
- Deep Sea Blue #015482 ΔE 0.047
- Light Navy #155084 ΔE 0.050
Use #125E9A 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.