#143058
Closest named color: Marine (#042E60). oklch(31.1% 0.08 257.7), rgb(20, 48, 88).
Aa
White text reads best on this color (13.17:1).
About this color
#143058 is a dark, moderately saturated blue. In OKLCH its lightness is 31%, its chroma 0.080 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.020 away. White text reads best on it, at 13.17:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.59:1 |
| White text | 13.17:1 |
Values
| HEX | #143058 |
| RGB | rgb(20, 48, 88) |
| HSL | hsl(215, 63%, 21%) |
| OKLCH | oklch(31.1% 0.08 257.7) |
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 #143058 | 13.17:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #143058 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #143058 text on white | 13.17:1 | AAA | Lc 99.3 | Preferred for body text |
| #143058 text on black | 1.59:1 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFD
oklch(93.6% 0.028 258.4)
-
Step 200
200
#C4DBFC
oklch(88.5% 0.052 257.4)
-
Step 300
300
#9AC3FE
oklch(80.9% 0.095 257.4)
-
Step 400
400
#61A1FD
oklch(70.7% 0.151 257.6)
-
Step 500
500
#3086FB
oklch(63.2% 0.193 257.5)
-
Step 600
600
#006CE6
oklch(55.5% 0.203 257.7)
-
Step 700
700
#005BC3
oklch(49.1% 0.179 257.6)
-
Step 800
800
#004AA2
oklch(42.7% 0.156 257.7)
-
Step 900
900
#0B3F82
oklch(37.8% 0.125 257.4)
-
Step 950
950 (this color)
#143058
oklch(31.1% 0.08 257.7)
#143058 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) | #1D345A | 0.017 |
| Deuteranopia (no green cones) | #112D57 | 0.010 |
| Tritanopia (no blue cones) | #00393F | 0.062 |
| Achromatopsia (no color) | #303030 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #143058
#143058
oklch(31.1% 0.08 257.7)
- #422C00
#422C00
oklch(31.1% 0.065 79)
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 #143058, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.020
- Prussian Blue #1D3557 ΔE 0.020
- Marine Blue #01386A ΔE 0.037
- Midnight Green #073B4C ΔE 0.047
- Space Cadet #2B2D42 ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.048
- Gunmetal #293241 ΔE 0.050
- Oxford Blue #1B263B ΔE 0.056
Use #143058 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.