#123761
Closest named color: Marine Blue (#01386A). oklch(33.5% 0.085 254), rgb(18, 55, 97).
Aa
White text reads best on this color (12.03:1).
About this color
#123761 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.085 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.017 away. White text reads best on it, at 12.03:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.74:1 |
| White text | 12.03:1 |
Values
| HEX | #123761 |
| RGB | rgb(18, 55, 97) |
| HSL | hsl(212, 69%, 23%) |
| OKLCH | oklch(33.5% 0.085 254) |
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 #123761 | 12.03:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #123761 | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #123761 text on white | 12.03:1 | AAA | Lc 97.2 | Preferred for body text |
| #123761 text on black | 1.74:1 | Fails | Lc 0.0 | Not readable |
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 900.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#CADBF1
oklch(88.6% 0.035 254.9)
-
Step 300
300
#A5C3EA
oklch(80.8% 0.064 255.1)
-
Step 400
400
#73A4DF
oklch(70.8% 0.102 253.7)
-
Step 500
500
#4D8CD6
oklch(63.2% 0.13 253.8)
-
Step 600
600
#2E74C4
oklch(55.6% 0.143 254.2)
-
Step 700
700
#2061A9
oklch(49.1% 0.132 254)
-
Step 800
800
#1D5089
oklch(42.8% 0.109 253.8)
-
Step 900
900 (this color)
#123761
oklch(33.5% 0.085 254)
-
Step 950
950
#122740
oklch(26.9% 0.054 254)
#123761 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) | #233A63 | 0.021 |
| Deuteranopia (no green cones) | #163360 | 0.012 |
| Tritanopia (no blue cones) | #004147 | 0.065 |
| Achromatopsia (no color) | #363636 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #123761
#123761
oklch(33.5% 0.085 254)
- #4C3000
#4C3000
oklch(33.5% 0.071 74)
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 #123761, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.017
- Prussian Blue #1D3557 ΔE 0.019
- Marine #042E60 ΔE 0.031
- Dark Blue Grey #1F3B4D ΔE 0.042
- Midnight Green #073B4C ΔE 0.044
- Twilight Blue #0A437A ΔE 0.052
- Gunmetal #293241 ΔE 0.059
- Dark Grey Blue #29465B ΔE 0.060
Use #123761 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.