#223249
Closest named color: Gunmetal (#293241). oklch(31.4% 0.047 257.4), rgb(34, 50, 73).
Aa
White text reads best on this color (12.95:1).
About this color
#223249 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.047 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.017 away. White text reads best on it, at 12.95:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.62:1 |
| White text | 12.95:1 |
Values
| HEX | #223249 |
| RGB | rgb(34, 50, 73) |
| HSL | hsl(215, 36%, 21%) |
| OKLCH | oklch(31.4% 0.047 257.4) |
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 #223249 | 12.95:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #223249 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #223249 text on white | 12.95:1 | AAA | Lc 99.1 | Preferred for body text |
| #223249 text on black | 1.62:1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CDDAEE
oklch(88.5% 0.031 258.9)
-
Step 300
300
#ABC2E5
oklch(80.9% 0.056 258.7)
-
Step 400
400
#7DA2D8
oklch(70.6% 0.09 257.7)
-
Step 500
500
#5C8BCD
oklch(63.2% 0.113 257)
-
Step 600
600
#4273BA
oklch(55.5% 0.123 257.7)
-
Step 700
700
#3460A0
oklch(49% 0.114 257.8)
-
Step 800
800
#2B4F82
oklch(42.7% 0.095 257.3)
-
Step 900
900
#274268
oklch(37.7% 0.073 257.1)
-
Step 950
950 (this color)
#223249
oklch(31.4% 0.047 257.4)
#223249 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) | #29334A | 0.011 |
| Deuteranopia (no green cones) | #253049 | 0.007 |
| Tritanopia (no blue cones) | #11373A | 0.041 |
| Achromatopsia (no color) | #313131 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #223249
#223249
oklch(31.4% 0.047 257.4)
- #3F2E14
#3F2E14
oklch(31.4% 0.047 76.2)
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 #223249, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.017
- Space Cadet #2B2D42 ΔE 0.021
- Prussian Blue #1D3557 ΔE 0.025
- Dark Blue Grey #1F3B4D ΔE 0.029
- Midnight Green #073B4C ΔE 0.034
- Oxford Blue #1B263B ΔE 0.046
- Onyx #343A40 ΔE 0.046
- Marine #042E60 ΔE 0.053
Use #223249 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.