#374352
Closest named color: Dark Grey Blue (#29465B). oklch(37.8% 0.03 254.2), rgb(55, 67, 82).
Aa
White text reads best on this color (10.06:1).
About this color
#374352 is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.030 and its hue 254°. 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 10.06:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.08:1 |
| White text | 10.06:1 |
Values
| HEX | #374352 |
| RGB | rgb(55, 67, 82) |
| HSL | hsl(213, 20%, 27%) |
| OKLCH | oklch(37.8% 0.03 254.2) |
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 #374352 | 10.06:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #374352 | 2.08:1 | Fails | Lc 10.6 | Not readable |
| #374352 text on white | 10.06:1 | AAA | Lc 93.4 | Preferred for body text |
| #374352 text on black | 2.08:1 | Fails | Lc -9.1 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D4DAE1
oklch(88.6% 0.012 252.1)
-
Step 300
300
#B7C2CF
oklch(81% 0.022 252.5)
-
Step 400
400
#91A2B7
oklch(70.6% 0.036 253.8)
-
Step 500
500
#778BA6
oklch(63.1% 0.047 256)
-
Step 600
600
#5F7591
oklch(55.6% 0.051 254.7)
-
Step 700
700
#4E627B
oklch(49% 0.047 254.3)
-
Step 800
800
#405064
oklch(42.6% 0.039 254.2)
-
Step 900
900 (this color)
#374352
oklch(37.8% 0.03 254.2)
-
Step 950
950
#202730
oklch(27% 0.02 254.8)
#374352 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) | #3E4353 | 0.011 |
| Deuteranopia (no green cones) | #3B4152 | 0.008 |
| Tritanopia (no blue cones) | #2F4648 | 0.026 |
| Achromatopsia (no color) | #424242 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #374352
#374352
oklch(37.8% 0.03 254.2)
- #4C4030
#4C4030
oklch(37.9% 0.031 74.6)
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 #374352, 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 0.022
- Charcoal Grey #3C4142 ΔE 0.027
- Onyx #343A40 ΔE 0.037
- Dark Slate Gray #2F4F4F ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.044
- Dark Teal #014D4E ΔE 0.055
- Midnight Green #073B4C ΔE 0.061
Use #374352 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.