#33486B
Closest named color: Dark Grey Blue (#29465B). oklch(40.1% 0.065 260.3), rgb(51, 72, 107).
Aa
White text reads best on this color (9.21:1).
About this color
#33486B is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.065 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.031 away. White text reads best on it, at 9.21:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.28:1 |
| White text | 9.21:1 |
Values
| HEX | #33486B |
| RGB | rgb(51, 72, 107) |
| HSL | hsl(218, 35%, 31%) |
| OKLCH | oklch(40.1% 0.065 260.3) |
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 #33486B | 9.21:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #33486B | 2.28:1 | Fails | Lc 12.8 | Not readable |
| #33486B text on white | 9.21:1 | AAA | Lc 91.1 | Preferred for body text |
| #33486B text on black | 2.28:1 | Fails | Lc -11.2 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CFDAEC
oklch(88.5% 0.028 260.3)
-
Step 300
300
#AFC2E1
oklch(81% 0.049 260.2)
-
Step 400
400
#84A2D2
oklch(70.8% 0.078 259.7)
-
Step 500
500
#668AC6
oklch(63.2% 0.1 260.3)
-
Step 600
600
#4D73B2
oklch(55.6% 0.108 260.1)
-
Step 700
700
#3E609A
oklch(49.1% 0.102 260.5)
-
Step 800
800
#334F7C
oklch(42.7% 0.083 259.5)
-
Step 900
900 (this color)
#33486B
oklch(40.1% 0.065 260.3)
-
Step 950
950
#1A273B
oklch(27.1% 0.042 258.8)
#33486B 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) | #3B4A6C | 0.013 |
| Deuteranopia (no green cones) | #34456A | 0.009 |
| Tritanopia (no blue cones) | #1A5054 | 0.059 |
| Achromatopsia (no color) | #484848 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33486B
#33486B
oklch(40.1% 0.065 260.3)
- #5A441A
#5A441A
oklch(40.1% 0.065 81.1)
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 #33486B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.031
- Charcoal #264653 ΔE 0.046
- Light Navy #155084 ΔE 0.048
- Twilight Blue #0A437A ΔE 0.049
- Deep Sea Blue #015482 ΔE 0.052
- Dusk Blue #26538D ΔE 0.059
- Dark Slate Gray #2F4F4F ΔE 0.060
- YInMn Blue #415A77 ΔE 0.060
Use #33486B 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.