#1A2249
Closest named color: Oxford Blue (#1B263B). oklch(26.8% 0.073 271.9), rgb(26, 34, 73).
Aa
White text reads best on this color (15.34:1).
About this color
#1A2249 is a dark, moderately saturated blue. In OKLCH its lightness is 27%, its chroma 0.073 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.032 away. White text reads best on it, at 15.34:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.36:1 |
| White text | 15.34:1 |
Values
| HEX | #1A2249 |
| RGB | rgb(26, 34, 73) |
| HSL | hsl(230, 47%, 19%) |
| OKLCH | oklch(26.8% 0.073 271.9) |
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 #1A2249 | 15.34:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #1A2249 | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #1A2249 text on white | 15.34:1 | AAA | Lc 102.1 | Preferred for body text |
| #1A2249 text on black | 1.36:1 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CED8FA
oklch(88.5% 0.048 272.4)
-
Step 300
300
#ADBEF9
oklch(81% 0.086 271.9)
-
Step 400
400
#839AF6
oklch(70.8% 0.137 271.9)
-
Step 500
500
#667DF2
oklch(63% 0.176 272.1)
-
Step 600
600
#4F63E1
oklch(55.6% 0.192 271.8)
-
Step 700
700
#4151C4
oklch(49.1% 0.179 272)
-
Step 800
800
#35439E
oklch(42.6% 0.148 272)
-
Step 900
900
#2D3A7E
oklch(37.7% 0.116 271.6)
-
Step 950
950 (this color)
#1A2249
oklch(26.8% 0.073 271.9)
#1A2249 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) | #0F274A | 0.019 |
| Deuteranopia (no green cones) | #082348 | 0.021 |
| Tritanopia (no blue cones) | #002B32 | 0.064 |
| Achromatopsia (no color) | #252525 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A2249
#1A2249
oklch(26.8% 0.073 271.9)
- #302500
#302500
oklch(26.9% 0.055 91.9)
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 #1A2249, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.032
- Dark #1B2431 ΔE 0.048
- Space Cadet #2B2D42 ΔE 0.051
- Marine #042E60 ΔE 0.052
- Dark Indigo #1F0954 ΔE 0.062
- Prussian Blue #1D3557 ΔE 0.062
- Jet #212529 ΔE 0.065
- Gunmetal #293241 ΔE 0.065
Use #1A2249 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.