#33609F
Closest named color: Denim Blue (#3B5B92). oklch(48.9% 0.113 257.2), rgb(51, 96, 159).
Aa
White text reads best on this color (6.33:1).
About this color
#33609F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.113 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.023 away. White text reads best on it, at 6.33:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.31:1 |
| White text | 6.33:1 |
Values
| HEX | #33609F |
| RGB | rgb(51, 96, 159) |
| HSL | hsl(215, 51%, 41%) |
| OKLCH | oklch(48.9% 0.113 257.2) |
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 #33609F | 6.33:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #33609F | 3.31:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #33609F text on white | 6.33:1 | AA | Lc 81.3 | Fine for body text |
| #33609F text on black | 3.31:1 | AA large text | Lc -20.6 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CDDAEE
oklch(88.5% 0.031 258.9)
-
Step 300
300
#ABC2E4
oklch(80.8% 0.054 258)
-
Step 400
400
#7EA3D7
oklch(70.8% 0.087 256.9)
-
Step 500
500
#5C8BCC
oklch(63.1% 0.111 256.7)
-
Step 600
600
#4274B9
oklch(55.7% 0.121 256.8)
-
Step 700
700 (this color)
#33609F
oklch(48.9% 0.113 257.2)
-
Step 800
800
#2B4F81
oklch(42.6% 0.093 257)
-
Step 900
900
#274268
oklch(37.7% 0.073 257.1)
-
Step 950
950
#17273D
oklch(27% 0.047 256.6)
#33609F 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) | #4465A2 | 0.025 |
| Deuteranopia (no green cones) | #345B9E | 0.014 |
| Tritanopia (no blue cones) | #006F78 | 0.091 |
| Achromatopsia (no color) | #606060 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33609F
#33609F
oklch(48.9% 0.113 257.2)
- #805700
#805700
oklch(48.9% 0.102 77.1)
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 #33609F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.023
- Dusky Blue #475F94 ΔE 0.027
- Denim #3B638C ΔE 0.035
- Peacock Blue #016795 ΔE 0.037
- Mid Blue #276AB3 ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.040
- French Blue #436BAD ΔE 0.042
- Dusk Blue #26538D ΔE 0.048
Use #33609F 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.