#123249
Closest named color: Midnight Green (#073B4C). oklch(30.5% 0.056 242.9), rgb(18, 50, 73).
Aa
White text reads best on this color (13.30:1).
About this color
#123249 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.056 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.029 away. White text reads best on it, at 13.30:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.57:1 |
| White text | 13.30:1 |
Values
| HEX | #123249 |
| RGB | rgb(18, 50, 73) |
| HSL | hsl(205, 60%, 18%) |
| OKLCH | oklch(30.5% 0.056 242.9) |
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 #123249 | 13.30:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #123249 | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #123249 text on white | 13.30:1 | AAA | Lc 99.5 | Preferred for body text |
| #123249 text on black | 1.57:1 | 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 950.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#DFECF6
oklch(93.6% 0.019 240.7)
-
Step 200
200
#C5DDF0
oklch(88.6% 0.037 241.8)
-
Step 300
300
#9CC6E9
oklch(80.9% 0.067 243.9)
-
Step 400
400
#62A8DD
oklch(70.7% 0.105 242.9)
-
Step 500
500
#2B91D4
oklch(63.1% 0.135 242.9)
-
Step 600
600
#007ABB
oklch(55.7% 0.134 242.9)
-
Step 700
700
#00669E
oklch(49% 0.119 243.2)
-
Step 800
800
#005482
oklch(42.8% 0.102 242.4)
-
Step 900
900
#04466C
oklch(37.8% 0.088 242.2)
-
Step 950
950 (this color)
#123249
oklch(30.5% 0.056 242.9)
#123249 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) | #28324A | 0.027 |
| Deuteranopia (no green cones) | #202D49 | 0.021 |
| Tritanopia (no blue cones) | #00383A | 0.041 |
| Achromatopsia (no color) | #2F2F2F | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #123249
#123249
oklch(30.5% 0.056 242.9)
- #43280D
#43280D
oklch(30.5% 0.057 62.6)
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 #123249, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.029
- Prussian Blue #1D3557 ΔE 0.030
- Gunmetal #293241 ΔE 0.031
- Space Cadet #2B2D42 ΔE 0.034
- Dark Blue Grey #1F3B4D ΔE 0.035
- Oxford Blue #1B263B ΔE 0.042
- Marine #042E60 ΔE 0.047
- Dark #1B2431 ΔE 0.056
Use #123249 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.