#182245
Closest named color: Oxford Blue (#1B263B). oklch(26.4% 0.067 269.4), rgb(24, 34, 69).
Aa
White text reads best on this color (15.51:1).
About this color
#182245 is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.067 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.026 away. White text reads best on it, at 15.51:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.35:1 |
| White text | 15.51:1 |
Values
| HEX | #182245 |
| RGB | rgb(24, 34, 69) |
| HSL | hsl(227, 48%, 18%) |
| OKLCH | oklch(26.4% 0.067 269.4) |
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 #182245 | 15.51:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #182245 | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #182245 text on white | 15.51:1 | AAA | Lc 102.3 | Preferred for body text |
| #182245 text on black | 1.35:1 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E4EAFA
oklch(93.7% 0.023 269.4)
-
Step 200
200
#CDD9F7
oklch(88.6% 0.043 268.2)
-
Step 300
300
#ACBFF5
oklch(80.9% 0.079 269.5)
-
Step 400
400
#819CF0
oklch(70.7% 0.127 269.4)
-
Step 500
500
#6381EA
oklch(63.1% 0.161 269.4)
-
Step 600
600
#4B68D9
oklch(55.7% 0.176 269.2)
-
Step 700
700
#3D55BC
oklch(49% 0.164 269.5)
-
Step 800
800
#324698
oklch(42.6% 0.136 269.5)
-
Step 900
900
#2C3C79
oklch(37.7% 0.105 269.7)
-
Step 950
950 (this color)
#182245
oklch(26.4% 0.067 269.4)
#182245 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) | #122646 | 0.014 |
| Deuteranopia (no green cones) | #0C2244 | 0.015 |
| Tritanopia (no blue cones) | #002A30 | 0.059 |
| Achromatopsia (no color) | #242424 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #182245
#182245
oklch(26.4% 0.067 269.4)
- #2F2300
#2F2300
oklch(26.3% 0.054 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 #182245, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.026
- Dark #1B2431 ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.051
- Marine #042E60 ΔE 0.057
- Rich Black #0D1B2A ΔE 0.058
- Jet #212529 ΔE 0.058
- Gunmetal #293241 ΔE 0.064
- Navy Blue #001146 ΔE 0.065
Use #182245 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.