#192543
Closest named color: Oxford Blue (#1B263B). oklch(27% 0.058 266.1), rgb(25, 37, 67).
Aa
White text reads best on this color (15.14:1).
About this color
#192543 is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.058 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.016 away. White text reads best on it, at 15.14:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.38:1 |
| White text | 15.14:1 |
Values
| HEX | #192543 |
| RGB | rgb(25, 37, 67) |
| HSL | hsl(223, 46%, 18%) |
| OKLCH | oklch(27% 0.058 266.1) |
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 #192543 | 15.14:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #192543 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #192543 text on white | 15.14:1 | AAA | Lc 101.9 | Preferred for body text |
| #192543 text on black | 1.38:1 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CDD9F3
oklch(88.4% 0.038 265.8)
-
Step 300
300
#ACC0EE
oklch(80.9% 0.069 266.5)
-
Step 400
400
#809EE6
oklch(70.6% 0.111 266.3)
-
Step 500
500
#6185DF
oklch(63.2% 0.142 266)
-
Step 600
600
#496CCC
oklch(55.5% 0.154 266.4)
-
Step 700
700
#3A5AB1
oklch(49.1% 0.143 266.1)
-
Step 800
800
#304A8F
oklch(42.7% 0.118 266)
-
Step 900
900
#2A3E72
oklch(37.6% 0.093 266.2)
-
Step 950
950 (this color)
#192543
oklch(27% 0.058 266.1)
#192543 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) | #192844 | 0.010 |
| Deuteranopia (no green cones) | #132442 | 0.009 |
| Tritanopia (no blue cones) | #022C30 | 0.054 |
| Achromatopsia (no color) | #262626 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #192543
#192543
oklch(27% 0.058 266.1)
- #322400
#322400
oklch(27% 0.055 86.6)
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 #192543, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.016
- Dark #1B2431 ΔE 0.034
- Space Cadet #2B2D42 ΔE 0.042
- Jet #212529 ΔE 0.050
- Gunmetal #293241 ΔE 0.054
- Marine #042E60 ΔE 0.056
- Rich Black #0D1B2A ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.059
Use #192543 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.