#374267
Closest named color: Dark Grey Blue (#29465B). oklch(38.7% 0.065 270.6), rgb(55, 66, 103).
Aa
White text reads best on this color (9.82:1).
About this color
#374267 is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.065 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.033 away. White text reads best on it, at 9.82:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.13:1 |
| White text | 9.82:1 |
Values
| HEX | #374267 |
| RGB | rgb(55, 66, 103) |
| HSL | hsl(226, 30%, 31%) |
| OKLCH | oklch(38.7% 0.065 270.6) |
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 #374267 | 9.82:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #374267 | 2.13:1 | Fails | Lc 11.2 | Not readable |
| #374267 text on white | 9.82:1 | AAA | Lc 92.7 | Preferred for body text |
| #374267 text on black | 2.13:1 | Fails | Lc -9.7 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200
#D2D9EC
oklch(88.6% 0.027 269.6)
-
Step 300
300
#B4C0E1
oklch(80.9% 0.049 269.5)
-
Step 400
400
#8E9ED2
oklch(70.6% 0.079 271.1)
-
Step 500
500
#7386C6
oklch(63.1% 0.099 270.7)
-
Step 600
600
#5B6FB3
oklch(55.6% 0.109 270.2)
-
Step 700
700
#4B5C9A
oklch(49% 0.102 270.7)
-
Step 800
800
#3E4C7D
oklch(42.8% 0.083 270.5)
-
Step 900
900 (this color)
#374267
oklch(38.7% 0.065 270.6)
-
Step 950
950
#1F253B
oklch(27% 0.042 271.7)
#374267 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) | #354669 | 0.012 |
| Deuteranopia (no green cones) | #304266 | 0.010 |
| Tritanopia (no blue cones) | #264A4F | 0.060 |
| Achromatopsia (no color) | #434343 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #374267
#374267
oklch(38.7% 0.065 270.6)
- #514316
#514316
oklch(38.8% 0.065 91.7)
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 #374267, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.033
- Charcoal #264653 ΔE 0.047
- Twilight Blue #0A437A ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.060
- Light Navy #155084 ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.061
- Charcoal Grey #3C4142 ΔE 0.064
- Marine Blue #01386A ΔE 0.065
Use #374267 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.