#125E91
Closest named color: Light Navy Blue (#2E5A88). oklch(46.5% 0.108 244.6), rgb(18, 94, 145).
Aa
White text reads best on this color (6.91:1).
About this color
#125E91 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.108 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.022 away. White text reads best on it, at 6.91:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 3.03:1 |
| White text | 6.91:1 |
Values
| HEX | #125E91 |
| RGB | rgb(18, 94, 145) |
| HSL | hsl(204, 78%, 32%) |
| OKLCH | oklch(46.5% 0.108 244.6) |
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 #125E91 | 6.91:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #125E91 | 3.03:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #125E91 text on white | 6.91:1 | AA | Lc 83.5 | Fine for body text |
| #125E91 text on black | 3.03:1 | AA large text | Lc -18.5 | 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
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CADCEB
oklch(88.6% 0.028 243.1)
-
Step 300
300
#A5C5E1
oklch(80.9% 0.053 244.9)
-
Step 400
400
#73A6D1
oklch(70.6% 0.083 244.8)
-
Step 500
500
#4C90C5
oklch(63.1% 0.106 244.2)
-
Step 600
600
#2B79B2
oklch(55.6% 0.116 244.5)
-
Step 700
700 (this color)
#125E91
oklch(46.5% 0.108 244.6)
-
Step 800
800
#1B537C
oklch(42.7% 0.089 244.6)
-
Step 900
900
#1D4564
oklch(37.7% 0.07 244.6)
-
Step 950
950
#12293A
oklch(27.1% 0.043 242.6)
#125E91 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) | #466093 | 0.046 |
| Deuteranopia (no green cones) | #345590 | 0.033 |
| Tritanopia (no blue cones) | #006A70 | 0.074 |
| Achromatopsia (no color) | #5A5A5A | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #125E91
#125E91
oklch(46.5% 0.108 244.6)
- #814B00
#814B00
oklch(46.6% 0.105 64.8)
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 #125E91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.022
- Peacock Blue #016795 ΔE 0.026
- Denim Blue #3B5B92 ΔE 0.032
- Dusk Blue #26538D ΔE 0.032
- Denim #3B638C ΔE 0.038
- Deep Sea Blue #015482 ΔE 0.038
- Light Navy #155084 ΔE 0.044
- Dusky Blue #475F94 ΔE 0.047
Use #125E91 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.