#19213C
Closest named color: Oxford Blue (#1B263B). oklch(25.5% 0.052 269.9), rgb(25, 33, 60).
Aa
White text reads best on this color (15.85:1).
About this color
#19213C is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.052 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.018 away. White text reads best on it, at 15.85:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.32:1 |
| White text | 15.85:1 |
Values
| HEX | #19213C |
| RGB | rgb(25, 33, 60) |
| HSL | hsl(226, 41%, 17%) |
| OKLCH | oklch(25.5% 0.052 269.9) |
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 #19213C | 15.85:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #19213C | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #19213C text on white | 15.85:1 | AAA | Lc 102.7 | Preferred for body text |
| #19213C text on black | 1.32:1 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9F1
oklch(88.6% 0.034 269.3)
-
Step 300
300
#B1BFEA
oklch(80.8% 0.063 270.8)
-
Step 400
400
#889EDF
oklch(70.8% 0.099 269.4)
-
Step 500
500
#6C84D6
oklch(63.1% 0.127 270.1)
-
Step 600
600
#546CC3
oklch(55.5% 0.138 269.9)
-
Step 700
700
#455AA9
oklch(49.2% 0.128 270)
-
Step 800
800
#394A89
oklch(42.8% 0.106 270.1)
-
Step 900
900
#313E6D
oklch(37.7% 0.082 270.4)
-
Step 950
950 (this color)
#19213C
oklch(25.5% 0.052 269.9)
#19213C 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) | #16243D | 0.010 |
| Deuteranopia (no green cones) | #13213B | 0.009 |
| Tritanopia (no blue cones) | #0A272B | 0.047 |
| Achromatopsia (no color) | #222222 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19213C
#19213C
oklch(25.5% 0.052 269.9)
- #2D2100
#2D2100
oklch(25.5% 0.052 88.6)
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 #19213C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.018
- Dark #1B2431 ΔE 0.026
- Rich Black #0D1B2A ΔE 0.043
- Jet #212529 ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.052
- Gunmetal #293241 ΔE 0.065
- Navy Blue #001146 ΔE 0.068
- Marine #042E60 ΔE 0.072
Use #19213C 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.