#374161
Closest named color: Dark Grey Blue (#29465B). oklch(38.1% 0.056 270.3), rgb(55, 65, 97).
Aa
White text reads best on this color (10.04:1).
About this color
#374161 is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.056 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.027 away. White text reads best on it, at 10.04:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.09:1 |
| White text | 10.04:1 |
Values
| HEX | #374161 |
| RGB | rgb(55, 65, 97) |
| HSL | hsl(226, 28%, 30%) |
| OKLCH | oklch(38.1% 0.056 270.3) |
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 #374161 | 10.04:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #374161 | 2.09:1 | Fails | Lc 10.7 | Not readable |
| #374161 text on white | 10.04:1 | AAA | Lc 93.3 | Preferred for body text |
| #374161 text on black | 2.09:1 | Fails | Lc -9.2 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D3D9E9
oklch(88.6% 0.023 269.4)
-
Step 300
300
#B6C0DD
oklch(80.9% 0.042 270.4)
-
Step 400
400
#909FCC
oklch(70.7% 0.068 270.3)
-
Step 500
500
#7587BE
oklch(63.1% 0.086 269.9)
-
Step 600
600
#5E70AB
oklch(55.6% 0.095 270.2)
-
Step 700
700
#4E5D93
oklch(49% 0.089 271.1)
-
Step 800
800
#404D77
oklch(42.8% 0.072 270.1)
-
Step 900
900 (this color)
#374161
oklch(38.1% 0.056 270.3)
-
Step 950
950
#202638
oklch(27.1% 0.035 269.8)
#374161 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) | #364462 | 0.009 |
| Deuteranopia (no green cones) | #324060 | 0.008 |
| Tritanopia (no blue cones) | #29474C | 0.051 |
| Achromatopsia (no color) | #424242 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #374161
#374161
oklch(38.1% 0.056 270.3)
- #4E411C
#4E411C
oklch(38% 0.057 90.2)
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 #374161, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.027
- Charcoal #264653 ΔE 0.040
- Dark Blue Grey #1F3B4D ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.054
- Prussian Blue #1D3557 ΔE 0.056
- Onyx #343A40 ΔE 0.057
- Twilight Blue #0A437A ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.063
Use #374161 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.