#396599
Closest named color: Denim (#3B638C). oklch(50% 0.097 253.7), rgb(57, 101, 153).
Aa
White text reads best on this color (6.00:1).
About this color
#396599 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.097 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.021 away. White text reads best on it, at 6.00:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.49:1 |
| White text | 6.00:1 |
Values
| HEX | #396599 |
| RGB | rgb(57, 101, 153) |
| HSL | hsl(213, 46%, 41%) |
| OKLCH | oklch(50% 0.097 253.7) |
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 #396599 | 6.00:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #396599 | 3.49:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #396599 text on white | 6.00:1 | AA | Lc 79.8 | Fine for body text |
| #396599 text on black | 3.49:1 | AA large text | Lc -22.0 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EBF3
oklch(93.7% 0.013 251.6)
-
Step 200
200
#CEDBEA
oklch(88.6% 0.025 251.9)
-
Step 300
300
#ACC3DF
oklch(80.9% 0.047 253.5)
-
Step 400
400
#80A4CF
oklch(70.8% 0.075 253.2)
-
Step 500
500
#5F8CC2
oklch(63% 0.096 253.7)
-
Step 600
600
#4575AF
oklch(55.5% 0.105 254.1)
-
Step 700
700 (this color)
#396599
oklch(50% 0.097 253.7)
-
Step 800
800
#2E517A
oklch(42.8% 0.08 253.5)
-
Step 900
900
#294362
oklch(37.7% 0.062 253.6)
-
Step 950
950
#182739
oklch(26.8% 0.04 253.6)
#396599 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) | #4F689B | 0.028 |
| Deuteranopia (no green cones) | #425F98 | 0.018 |
| Tritanopia (no blue cones) | #007178 | 0.080 |
| Achromatopsia (no color) | #636363 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #396599
#396599
oklch(50% 0.097 253.7)
- #845915
#845915
oklch(49.9% 0.097 73.2)
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 #396599, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.021
- Dusky Blue #475F94 ΔE 0.021
- Denim Blue #3B5B92 ΔE 0.029
- Peacock Blue #016795 ΔE 0.032
- Muted Blue #3B719F ΔE 0.035
- French Blue #436BAD ΔE 0.037
- Ocean Blue #03719C ΔE 0.040
- Mid Blue #276AB3 ΔE 0.042
Use #396599 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.