#274D60
Closest named color: Dark Grey Blue (#29465B). oklch(40.1% 0.054 232), rgb(39, 77, 96).
Aa
White text reads best on this color (9.06:1).
About this color
#274D60 is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.054 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.022 away. White text reads best on it, at 9.06:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.31:1 |
| White text | 9.06:1 |
Values
| HEX | #274D60 |
| RGB | rgb(39, 77, 96) |
| HSL | hsl(200, 42%, 26%) |
| OKLCH | oklch(40.1% 0.054 232) |
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 #274D60 | 9.06:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #274D60 | 2.31:1 | Fails | Lc 13.3 | Not readable |
| #274D60 text on white | 9.06:1 | AAA | Lc 90.7 | Preferred for body text |
| #274D60 text on black | 2.31:1 | Fails | Lc -11.6 | 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 900.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CBDCE6
oklch(88.5% 0.023 233.4)
-
Step 300
300
#A7C6D7
oklch(80.9% 0.041 231.9)
-
Step 400
400
#77A8C2
oklch(70.6% 0.065 232)
-
Step 500
500
#5292B3
oklch(63% 0.082 232.6)
-
Step 600
600
#337C9F
oklch(55.6% 0.09 232.5)
-
Step 700
700
#246988
oklch(49.2% 0.084 231.6)
-
Step 800
800
#20556E
oklch(42.6% 0.069 232.1)
-
Step 900
900 (this color)
#274D60
oklch(40.1% 0.054 232)
-
Step 950
950
#142934
oklch(26.9% 0.034 232.8)
#274D60 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) | #444C61 | 0.037 |
| Deuteranopia (no green cones) | #3C4660 | 0.032 |
| Tritanopia (no blue cones) | #005253 | 0.040 |
| Achromatopsia (no color) | #494949 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #274D60
#274D60
oklch(40.1% 0.054 232)
- #5F3F2C
#5F3F2C
oklch(39.9% 0.054 51.3)
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 #274D60, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.022
- Charcoal #264653 ΔE 0.028
- Dark Slate Gray #2F4F4F ΔE 0.032
- Deep Teal #00555A ΔE 0.037
- Dark Teal #014D4E ΔE 0.042
- Dark Blue Green #005249 ΔE 0.055
- Petrol #005F6A ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.056
Use #274D60 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.