#143147
Closest named color: Gunmetal (#293241). oklch(30.2% 0.053 243.8), rgb(20, 49, 71).
Aa
White text reads best on this color (13.46:1).
About this color
#143147 is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.053 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.029 away. White text reads best on it, at 13.46:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.56:1 |
| White text | 13.46:1 |
Values
| HEX | #143147 |
| RGB | rgb(20, 49, 71) |
| HSL | hsl(206, 56%, 18%) |
| OKLCH | oklch(30.2% 0.053 243.8) |
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 #143147 | 13.46:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #143147 | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #143147 text on white | 13.46:1 | AAA | Lc 99.8 | Preferred for body text |
| #143147 text on black | 1.56:1 | 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
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C6DCEF
oklch(88.4% 0.035 244.2)
-
Step 300
300
#9EC6E7
oklch(80.9% 0.063 243.5)
-
Step 400
400
#67A7DB
oklch(70.6% 0.101 244.4)
-
Step 500
500
#3690D1
oklch(63% 0.129 244.1)
-
Step 600
600
#0079BC
oklch(55.5% 0.136 243.9)
-
Step 700
700
#00669F
oklch(49.1% 0.12 243.6)
-
Step 800
800
#005384
oklch(42.6% 0.106 244.3)
-
Step 900
900
#0E456A
oklch(37.6% 0.084 243.9)
-
Step 950
950 (this color)
#143147
oklch(30.2% 0.053 243.8)
#143147 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) | #273148 | 0.024 |
| Deuteranopia (no green cones) | #202C47 | 0.020 |
| Tritanopia (no blue cones) | #003639 | 0.038 |
| Achromatopsia (no color) | #2F2F2F | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #143147
#143147
oklch(30.2% 0.053 243.8)
- #41280F
#41280F
oklch(30.2% 0.053 63.3)
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 #143147, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.029
- Space Cadet #2B2D42 ΔE 0.032
- Midnight Green #073B4C ΔE 0.033
- Prussian Blue #1D3557 ΔE 0.033
- Dark Blue Grey #1F3B4D ΔE 0.037
- Oxford Blue #1B263B ΔE 0.038
- Marine #042E60 ΔE 0.049
- Dark #1B2431 ΔE 0.052
Use #143147 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.