#1A313E
Closest named color: Gunmetal (#293241). oklch(30% 0.037 234.7), rgb(26, 49, 62).
Aa
White text reads best on this color (13.52:1).
About this color
#1A313E is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.037 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.022 away. White text reads best on it, at 13.52:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.55:1 |
| White text | 13.52:1 |
Values
| HEX | #1A313E |
| RGB | rgb(26, 49, 62) |
| HSL | hsl(202, 41%, 17%) |
| OKLCH | oklch(30% 0.037 234.7) |
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 #1A313E | 13.52:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #1A313E | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #1A313E text on white | 13.52:1 | AAA | Lc 99.9 | Preferred for body text |
| #1A313E text on black | 1.55:1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200
#CADCE7
oklch(88.4% 0.025 234.5)
-
Step 300
300
#A6C6D9
oklch(80.9% 0.044 234.1)
-
Step 400
400
#74A8C7
oklch(70.7% 0.071 235.3)
-
Step 500
500
#4D92B8
oklch(63% 0.09 234.8)
-
Step 600
600
#2C7CA4
oklch(55.6% 0.098 234.5)
-
Step 700
700
#1D688D
oklch(49% 0.092 235.1)
-
Step 800
800
#1B5572
oklch(42.6% 0.076 234.6)
-
Step 900
900
#1D465C
oklch(37.5% 0.059 234.9)
-
Step 950
950 (this color)
#1A313E
oklch(30% 0.037 234.7)
#1A313E 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) | #2B303F | 0.024 |
| Deuteranopia (no green cones) | #262D3E | 0.020 |
| Tritanopia (no blue cones) | #073435 | 0.028 |
| Achromatopsia (no color) | #2E2E2E | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A313E
#1A313E
oklch(30% 0.037 234.7)
- #3D291B
#3D291B
oklch(30.1% 0.038 55.7)
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 #1A313E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.022
- Space Cadet #2B2D42 ΔE 0.029
- Midnight Green #073B4C ΔE 0.037
- Oxford Blue #1B263B ΔE 0.037
- Dark Blue Grey #1F3B4D ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.045
- Dark #1B2431 ΔE 0.045
- Jet #212529 ΔE 0.048
Use #1A313E 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.