#334565
Closest named color: Dark Grey Blue (#29465B). oklch(39% 0.059 261.5), rgb(51, 69, 101).
Aa
White text reads best on this color (9.63:1).
About this color
#334565 is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.059 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.023 away. White text reads best on it, at 9.63:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.17:1 |
| White text | 9.63:1 |
Values
| HEX | #334565 |
| RGB | rgb(51, 69, 101) |
| HSL | hsl(218, 33%, 30%) |
| OKLCH | oklch(39% 0.059 261.5) |
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 #334565 | 9.63:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #334565 | 2.17:1 | Fails | Lc 11.7 | Not readable |
| #334565 text on white | 9.63:1 | AAA | Lc 92.3 | Preferred for body text |
| #334565 text on black | 2.17:1 | Fails | Lc -10.2 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D0DAEA
oklch(88.6% 0.025 259.8)
-
Step 300
300
#B1C1DE
oklch(80.8% 0.045 262.4)
-
Step 400
400
#88A1CE
oklch(70.6% 0.072 262)
-
Step 500
500
#6A8AC1
oklch(63.2% 0.091 260.9)
-
Step 600
600
#5273AD
oklch(55.6% 0.098 261.1)
-
Step 700
700
#436095
oklch(49.1% 0.092 261.7)
-
Step 800
800
#374F79
oklch(42.8% 0.076 261.1)
-
Step 900
900 (this color)
#334565
oklch(39% 0.059 261.5)
-
Step 950
950
#1C2639
oklch(26.9% 0.038 262.7)
#334565 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) | #394766 | 0.011 |
| Deuteranopia (no green cones) | #334364 | 0.006 |
| Tritanopia (no blue cones) | #1F4C50 | 0.054 |
| Achromatopsia (no color) | #454545 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334565
#334565
oklch(39% 0.059 261.5)
- #55421D
#55421D
oklch(39.1% 0.059 82.2)
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 #334565, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.023
- Charcoal #264653 ΔE 0.038
- Twilight Blue #0A437A ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.057
- Light Navy #155084 ΔE 0.058
- Charcoal Grey #3C4142 ΔE 0.058
- Deep Sea Blue #015482 ΔE 0.063
Use #334565 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.