#144063
Closest named color: Marine Blue (#01386A). oklch(36% 0.077 246.4), rgb(20, 64, 99).
Aa
White text reads best on this color (10.80:1).
About this color
#144063 is a dark, moderately saturated blue. In OKLCH its lightness is 36%, its chroma 0.077 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.033 away. White text reads best on it, at 10.80:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.94:1 |
| White text | 10.80:1 |
Values
| HEX | #144063 |
| RGB | rgb(20, 64, 99) |
| HSL | hsl(207, 66%, 23%) |
| OKLCH | oklch(36% 0.077 246.4) |
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 #144063 | 10.80:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #144063 | 1.94:1 | Fails | Lc 9.2 | Not readable |
| #144063 text on white | 10.80:1 | AAA | Lc 94.8 | Preferred for body text |
| #144063 text on black | 1.94:1 | Fails | Lc -7.9 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DCEE
oklch(88.6% 0.032 246.7)
-
Step 300
300
#A3C5E4
oklch(80.9% 0.057 246.1)
-
Step 400
400
#6FA6D7
oklch(70.6% 0.093 246.4)
-
Step 500
500
#468FCD
oklch(63.1% 0.119 246.8)
-
Step 600
600
#2278BA
oklch(55.6% 0.129 246.8)
-
Step 700
700
#1265A0
oklch(49.1% 0.12 246.3)
-
Step 800
800
#145282
oklch(42.6% 0.1 247)
-
Step 900
900 (this color)
#144063
oklch(36% 0.077 246.4)
-
Step 950
950
#10283D
oklch(26.9% 0.05 247.3)
#144063 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) | #304164 | 0.030 |
| Deuteranopia (no green cones) | #253A62 | 0.023 |
| Tritanopia (no blue cones) | #00484D | 0.054 |
| Achromatopsia (no color) | #3D3D3D | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #144063
#144063
oklch(36% 0.077 246.4)
- #583404
#583404
oklch(36.1% 0.077 66.7)
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 #144063, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.033
- Dark Grey Blue #29465B ΔE 0.034
- Prussian Blue #1D3557 ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.038
- Twilight Blue #0A437A ΔE 0.039
- Charcoal #264653 ΔE 0.042
- Midnight Green #073B4C ΔE 0.043
- Marine #042E60 ΔE 0.060
Use #144063 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.