#36617E
Closest named color: YInMn Blue (#415A77). oklch(47.4% 0.067 239.8), rgb(54, 97, 126).
Aa
White text reads best on this color (6.62:1).
About this color
#36617E is a medium-dark, muted blue. In OKLCH its lightness is 47%, its chroma 0.067 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.023 away. White text reads best on it, at 6.62:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.16:1 |
| White text | 6.62:1 |
Values
| HEX | #36617E |
| RGB | rgb(54, 97, 126) |
| HSL | hsl(204, 40%, 35%) |
| OKLCH | oklch(47.4% 0.067 239.8) |
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 #36617E | 6.62:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #36617E | 3.16:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #36617E text on white | 6.62:1 | AA | Lc 82.6 | Fine for body text |
| #36617E text on black | 3.16:1 | AA large text | Lc -19.3 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CFDBE4
oklch(88.5% 0.018 240)
-
Step 300
300
#AEC4D4
oklch(80.9% 0.033 239.5)
-
Step 400
400
#83A6BE
oklch(70.8% 0.052 238.4)
-
Step 500
500
#648FAE
oklch(63.1% 0.066 240.5)
-
Step 600
600
#4A7999
oklch(55.6% 0.072 239.6)
-
Step 700
700 (this color)
#36617E
oklch(47.4% 0.067 239.8)
-
Step 800
800
#31536A
oklch(42.6% 0.055 239.5)
-
Step 900
900
#2C4556
oklch(37.8% 0.042 239.1)
-
Step 950
950
#1A2833
oklch(26.9% 0.028 242.7)
#36617E 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) | #54617F | 0.037 |
| Deuteranopia (no green cones) | #4A597D | 0.031 |
| Tritanopia (no blue cones) | #00686B | 0.054 |
| Achromatopsia (no color) | #5D5D5D | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #36617E
#36617E
oklch(47.4% 0.067 239.8)
- #785334
#785334
oklch(47.5% 0.067 60.1)
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 #36617E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.023
- Denim #3B638C ΔE 0.024
- Light Navy Blue #2E5A88 ΔE 0.032
- Slate #516572 ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.042
- Peacock Blue #016795 ΔE 0.043
- Dusty Grape #545775 ΔE 0.044
- Dusky Blue #475F94 ΔE 0.044
Use #36617E 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.