#34475E
Closest named color: Dark Grey Blue (#29465B). oklch(39.2% 0.046 253.6), rgb(52, 71, 94).
Aa
White text reads best on this color (9.50:1).
About this color
#34475E is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.046 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.016 away. White text reads best on it, at 9.50:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.20:1 |
| White text | 9.50:1 |
Values
| HEX | #34475E |
| RGB | rgb(52, 71, 94) |
| HSL | hsl(213, 29%, 29%) |
| OKLCH | oklch(39.2% 0.046 253.6) |
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 #34475E | 9.50:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #34475E | 2.20:1 | Fails | Lc 12.0 | Not readable |
| #34475E text on white | 9.50:1 | AAA | Lc 92.0 | Preferred for body text |
| #34475E text on black | 2.20:1 | Fails | Lc -10.4 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D1DAE6
oklch(88.5% 0.019 255.5)
-
Step 300
300
#B2C2D7
oklch(80.9% 0.035 255.2)
-
Step 400
400
#89A3C3
oklch(70.7% 0.055 253.8)
-
Step 500
500
#6B8CB4
oklch(63.1% 0.071 253.6)
-
Step 600
600
#5376A0
oklch(55.7% 0.077 253.6)
-
Step 700
700
#436389
oklch(49.2% 0.072 253.4)
-
Step 800
800
#38516F
oklch(42.8% 0.059 253.5)
-
Step 900
900 (this color)
#34475E
oklch(39.2% 0.046 253.6)
-
Step 950
950
#1C2735
oklch(26.9% 0.03 254.7)
#34475E 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) | #3E485F | 0.015 |
| Deuteranopia (no green cones) | #39445E | 0.011 |
| Tritanopia (no blue cones) | #254C4F | 0.040 |
| Achromatopsia (no color) | #464646 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #34475E
#34475E
oklch(39.2% 0.046 253.6)
- #554229
#554229
oklch(39.3% 0.046 73.4)
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 #34475E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.016
- Charcoal #264653 ΔE 0.027
- Dark Slate Gray #2F4F4F ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.055
- Dark Teal #014D4E ΔE 0.057
- Onyx #343A40 ΔE 0.057
- Deep Teal #00555A ΔE 0.057
Use #34475E 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.