#07243A
Closest named color: Oxford Blue (#1B263B). oklch(25.2% 0.054 245.3), rgb(7, 36, 58).
Aa
White text reads best on this color (15.87:1).
About this color
#07243A is a dark, muted blue. In OKLCH its lightness is 25%, its chroma 0.054 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.025 away. White text reads best on it, at 15.87:1.
| Hue family | Blues |
| Lightness | dark (25%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.32:1 |
| White text | 15.87:1 |
Values
| HEX | #07243A |
| RGB | rgb(7, 36, 58) |
| HSL | hsl(206, 78%, 13%) |
| OKLCH | oklch(25.2% 0.054 245.3) |
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 #07243A | 15.87:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #07243A | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #07243A text on white | 15.87:1 | AAA | Lc 102.6 | Preferred for body text |
| #07243A 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0EBF6
oklch(93.5% 0.019 248)
-
Step 200
200
#C7DCF0
oklch(88.5% 0.036 246.9)
-
Step 300
300
#9FC6E8
oklch(81% 0.064 245)
-
Step 400
400
#68A7DC
oklch(70.7% 0.102 245.3)
-
Step 500
500
#3890D3
oklch(63.2% 0.131 245.2)
-
Step 600
600
#0079BF
oklch(55.7% 0.14 245)
-
Step 700
700
#0065A2
oklch(49% 0.125 245.5)
-
Step 800
800
#005386
oklch(42.8% 0.108 245.3)
-
Step 900
900
#10456B
oklch(37.7% 0.084 245)
-
Step 950
950 (this color)
#07243A
oklch(25.2% 0.054 245.3)
#07243A 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) | #1A253B | 0.023 |
| Deuteranopia (no green cones) | #13203A | 0.017 |
| Tritanopia (no blue cones) | #00292C | 0.037 |
| Achromatopsia (no color) | #222222 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #07243A
#07243A
oklch(25.2% 0.054 245.3)
- #331C02
#331C02
oklch(25.2% 0.053 65.8)
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 #07243A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.025
- Dark #1B2431 ΔE 0.028
- Rich Black #0D1B2A ΔE 0.039
- Jet #212529 ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.062
- Navy Blue #001146 ΔE 0.067
- Gunmetal #293241 ΔE 0.069
- Marine #042E60 ΔE 0.073
Use #07243A 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.