#344858
Closest named color: Dark Grey Blue (#29465B). oklch(39.2% 0.037 243), rgb(52, 72, 88).
Aa
White text reads best on this color (9.48:1).
About this color
#344858 is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.037 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.017 away. White text reads best on it, at 9.48:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.21:1 |
| White text | 9.48:1 |
Values
| HEX | #344858 |
| RGB | rgb(52, 72, 88) |
| HSL | hsl(207, 26%, 27%) |
| OKLCH | oklch(39.2% 0.037 243) |
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 #344858 | 9.48:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #344858 | 2.21:1 | Fails | Lc 12.0 | Not readable |
| #344858 text on white | 9.48:1 | AAA | Lc 91.9 | Preferred for body text |
| #344858 text on black | 2.21:1 | Fails | Lc -10.5 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#D1DBE3
oklch(88.6% 0.015 241.8)
-
Step 300
300
#B2C3D2
oklch(80.9% 0.028 244.8)
-
Step 400
400
#89A4BB
oklch(70.6% 0.045 244.2)
-
Step 500
500
#6C8EAA
oklch(63.2% 0.057 243.7)
-
Step 600
600
#537895
oklch(55.7% 0.062 242.8)
-
Step 700
700
#43657F
oklch(49.2% 0.057 242.3)
-
Step 800
800
#385267
oklch(42.7% 0.047 243.5)
-
Step 900
900 (this color)
#344858
oklch(39.2% 0.037 243)
-
Step 950
950
#1C2831
oklch(27% 0.024 241.1)
#344858 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) | #414859 | 0.019 |
| Deuteranopia (no green cones) | #3D4458 | 0.017 |
| Tritanopia (no blue cones) | #274C4D | 0.031 |
| Achromatopsia (no color) | #464646 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #344858
#344858
oklch(39.2% 0.037 243)
- #544131
#544131
oklch(39.1% 0.037 61.5)
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 #344858, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.017
- Charcoal #264653 ΔE 0.021
- Dark Slate Gray #2F4F4F ΔE 0.032
- Charcoal Grey #3C4142 ΔE 0.038
- Dark Teal #014D4E ΔE 0.049
- Deep Teal #00555A ΔE 0.051
- Onyx #343A40 ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.054
Use #344858 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.