#143893
Closest named color: Sapphire (#2138AB). oklch(37.9% 0.155 263.9), rgb(20, 56, 147).
Aa
White text reads best on this color (10.41:1).
About this color
#143893 is a dark, vivid blue. In OKLCH its lightness is 38%, its chroma 0.155 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.042 away. White text reads best on it, at 10.41:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 2.01:1 |
| White text | 10.41:1 |
Values
| HEX | #143893 |
| RGB | rgb(20, 56, 147) |
| HSL | hsl(223, 76%, 33%) |
| OKLCH | oklch(37.9% 0.155 263.9) |
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 #143893 | 10.41:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #143893 | 2.01:1 | Fails | Lc 10.4 | Not readable |
| #143893 text on white | 10.41:1 | AAA | Lc 93.5 | Preferred for body text |
| #143893 text on black | 2.01:1 | Fails | Lc -9.0 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFF
oklch(93.6% 0.03 265.3)
-
Step 200
200
#C7DAFF
oklch(88.6% 0.055 263.7)
-
Step 300
300
#A1C0FF
oklch(80.8% 0.096 264.1)
-
Step 400
400
#6F9DFF
oklch(70.7% 0.152 263.9)
-
Step 500
500
#4980FF
oklch(63% 0.198 264)
-
Step 600
600
#225FFF
oklch(55.5% 0.245 263.9)
-
Step 700
700
#1149E6
oklch(49.1% 0.242 264)
-
Step 800
800
#103EBA
oklch(42.8% 0.2 263.9)
-
Step 900
900 (this color)
#143893
oklch(37.9% 0.155 263.9)
-
Step 950
950
#0C2256
oklch(27.1% 0.099 263.7)
#143893 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) | #004696 | 0.036 |
| Deuteranopia (no green cones) | #003A91 | 0.011 |
| Tritanopia (no blue cones) | #005060 | 0.120 |
| Achromatopsia (no color) | #404040 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #143893
#143893
oklch(37.9% 0.155 263.9)
- #563E00
#563E00
oklch(38% 0.078 83.8)
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 #143893, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.042
- Cobalt #1E488F ΔE 0.046
- Twilight Blue #0A437A ΔE 0.053
- Royal #0C1793 ΔE 0.068
- Blueberry #464196 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.071
- Marine Blue #01386A ΔE 0.072
- Light Navy #155084 ΔE 0.074
Use #143893 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.