#1A2B4D
Closest named color: Space Cadet (#2B2D42). oklch(29.3% 0.066 262.9), rgb(26, 43, 77).
Aa
White text reads best on this color (14.03:1).
About this color
#1A2B4D is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.066 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.034 away. White text reads best on it, at 14.03:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.49:1 |
| White text | 14.03:1 |
Values
| HEX | #1A2B4D |
| RGB | rgb(26, 43, 77) |
| HSL | hsl(220, 50%, 20%) |
| OKLCH | oklch(29.3% 0.066 262.9) |
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 #1A2B4D | 14.03:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #1A2B4D | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #1A2B4D text on white | 14.03:1 | AAA | Lc 100.6 | Preferred for body text |
| #1A2B4D text on black | 1.49:1 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CADAF7
oklch(88.5% 0.044 262.4)
-
Step 300
300
#A6C1F4
oklch(80.9% 0.078 262.9)
-
Step 400
400
#769FEF
oklch(70.6% 0.126 262.9)
-
Step 500
500
#5485E9
oklch(63.1% 0.16 263)
-
Step 600
600
#396CD8
oklch(55.6% 0.175 263)
-
Step 700
700
#2C5ABB
oklch(49.2% 0.161 262.8)
-
Step 800
800
#254A97
oklch(42.7% 0.134 262.8)
-
Step 900
900
#223E78
oklch(37.5% 0.105 263)
-
Step 950
950 (this color)
#1A2B4D
oklch(29.3% 0.066 262.9)
#1A2B4D 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) | #1C2E4E | 0.010 |
| Deuteranopia (no green cones) | #15294C | 0.010 |
| Tritanopia (no blue cones) | #003338 | 0.058 |
| Achromatopsia (no color) | #2C2C2C | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A2B4D
#1A2B4D
oklch(29.3% 0.066 262.9)
- #3B2900
#3B2900
oklch(29.5% 0.061 82.9)
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 #1A2B4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.034
- Oxford Blue #1B263B ΔE 0.034
- Prussian Blue #1D3557 ΔE 0.035
- Marine #042E60 ΔE 0.037
- Gunmetal #293241 ΔE 0.043
- Dark #1B2431 ΔE 0.053
- Midnight Green #073B4C ΔE 0.054
- Dark Blue Grey #1F3B4D ΔE 0.055
Use #1A2B4D 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.