#273245
Closest named color: Gunmetal (#293241). oklch(31.6% 0.037 261.1), rgb(39, 50, 69).
Aa
White text reads best on this color (12.89:1).
About this color
#273245 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.037 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.008 away. White text reads best on it, at 12.89:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.62:1 |
| White text | 12.89:1 |
Values
| HEX | #273245 |
| RGB | rgb(39, 50, 69) |
| HSL | hsl(218, 28%, 21%) |
| OKLCH | oklch(31.6% 0.037 261.1) |
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 #273245 | 12.89:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #273245 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #273245 text on white | 12.89:1 | AAA | Lc 99.0 | Preferred for body text |
| #273245 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D0DAEA
oklch(88.6% 0.025 259.8)
-
Step 300
300
#B1C1DE
oklch(80.8% 0.045 262.4)
-
Step 400
400
#88A1CD
oklch(70.6% 0.071 261.6)
-
Step 500
500
#6A8AC1
oklch(63.2% 0.091 260.9)
-
Step 600
600
#5273AD
oklch(55.6% 0.098 261.1)
-
Step 700
700
#426095
oklch(49.1% 0.093 261.2)
-
Step 800
800
#374F78
oklch(42.8% 0.075 260.7)
-
Step 900
900
#304261
oklch(37.8% 0.058 260.9)
-
Step 950
950 (this color)
#273245
oklch(31.6% 0.037 261.1)
#273245 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) | #2B3346 | 0.007 |
| Deuteranopia (no green cones) | #283045 | 0.007 |
| Tritanopia (no blue cones) | #1D3639 | 0.033 |
| Achromatopsia (no color) | #323232 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #273245
#273245
oklch(31.6% 0.037 261.1)
- #3C301B
#3C301B
oklch(31.7% 0.038 80.7)
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 #273245, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.008
- Space Cadet #2B2D42 ΔE 0.016
- Dark Blue Grey #1F3B4D ΔE 0.030
- Prussian Blue #1D3557 ΔE 0.033
- Midnight Green #073B4C ΔE 0.038
- Onyx #343A40 ΔE 0.038
- Oxford Blue #1B263B ΔE 0.047
- Dark #1B2431 ΔE 0.059
Use #273245 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.