#125491
Closest named color: Dusk Blue (#26538D). oklch(44% 0.118 251.5), rgb(18, 84, 145).
Aa
White text reads best on this color (7.76:1).
About this color
#125491 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.118 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.014 away. White text reads best on it, at 7.76:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.70:1 |
| White text | 7.76:1 |
Values
| HEX | #125491 |
| RGB | rgb(18, 84, 145) |
| HSL | hsl(209, 78%, 32%) |
| OKLCH | oklch(44% 0.118 251.5) |
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 #125491 | 7.76:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #125491 | 2.70:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #125491 text on white | 7.76:1 | AAA | Lc 86.5 | Fine for body text |
| #125491 text on black | 2.70:1 | Fails | Lc -15.6 | 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 800.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C7DBF2
oklch(88.4% 0.038 251.9)
-
Step 300
300
#A0C4ED
oklch(80.8% 0.07 252)
-
Step 400
400
#6BA5E3
oklch(70.7% 0.11 251.1)
-
Step 500
500
#3F8DDC
oklch(63.2% 0.142 251.3)
-
Step 600
600
#1775C9
oklch(55.6% 0.153 251.4)
-
Step 700
700
#0462AE
oklch(49.2% 0.143 251.4)
-
Step 800
800 (this color)
#125491
oklch(44% 0.118 251.5)
-
Step 900
900
#154370
oklch(37.7% 0.092 251.3)
-
Step 950
950
#0E2842
oklch(27.1% 0.058 250.8)
#125491 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) | #355893 | 0.032 |
| Deuteranopia (no green cones) | #1F4D90 | 0.020 |
| Tritanopia (no blue cones) | #00636B | 0.088 |
| Achromatopsia (no color) | #525252 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #125491
#125491
oklch(44% 0.118 251.5)
- #724800
#724800
oklch(43.9% 0.094 71.6)
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 #125491, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.014
- Light Navy #155084 ΔE 0.023
- Deep Sea Blue #015482 ΔE 0.027
- Cobalt #1E488F ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.034
- Denim Blue #3B5B92 ΔE 0.043
- Peacock Blue #016795 ΔE 0.055
- Twilight Blue #0A437A ΔE 0.060
Use #125491 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.