#1A254F
Closest named color: Oxford Blue (#1B263B). oklch(28% 0.078 269.7), rgb(26, 37, 79).
Aa
White text reads best on this color (14.77:1).
About this color
#1A254F is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.078 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.038 away. White text reads best on it, at 14.77:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.42:1 |
| White text | 14.77:1 |
Values
| HEX | #1A254F |
| RGB | rgb(26, 37, 79) |
| HSL | hsl(228, 50%, 21%) |
| OKLCH | oklch(28% 0.078 269.7) |
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 #1A254F | 14.77:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #1A254F | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #1A254F text on white | 14.77:1 | AAA | Lc 101.4 | Preferred for body text |
| #1A254F text on black | 1.42:1 | 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
#E3EAFD
oklch(93.7% 0.027 269.7)
-
Step 200
200
#CBD8FC
oklch(88.4% 0.052 269.6)
-
Step 300
300
#A9BEFD
oklch(80.8% 0.092 270)
-
Step 400
400
#7C9AFD
oklch(70.7% 0.149 269.6)
-
Step 500
500
#5E7DFA
oklch(63.1% 0.189 269.8)
-
Step 600
600
#4762E9
oklch(55.6% 0.205 269.8)
-
Step 700
700
#3950CB
oklch(49.1% 0.192 269.7)
-
Step 800
800
#2F43A4
oklch(42.8% 0.158 269.6)
-
Step 900
900
#293A82
oklch(37.8% 0.123 269.6)
-
Step 950
950 (this color)
#1A254F
oklch(28% 0.078 269.7)
#1A254F 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) | #102A51 | 0.017 |
| Deuteranopia (no green cones) | #06264E | 0.021 |
| Tritanopia (no blue cones) | #002F36 | 0.068 |
| Achromatopsia (no color) | #282828 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A254F
#1A254F
oklch(28% 0.078 269.7)
- #342700
#342700
oklch(28% 0.057 89.5)
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 #1A254F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.038
- Marine #042E60 ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.048
- Prussian Blue #1D3557 ΔE 0.051
- Dark #1B2431 ΔE 0.056
- Gunmetal #293241 ΔE 0.060
- Dark Indigo #1F0954 ΔE 0.066
- Midnight Blue #191970 ΔE 0.066
Use #1A254F 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.