#36498A
Closest named color: Cobalt (#1E488F). oklch(42.5% 0.11 269.1), rgb(54, 73, 138).
Aa
White text reads best on this color (8.47:1).
About this color
#36498A is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.110 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.027 away. White text reads best on it, at 8.47:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.47:1 |
| White text | 8.47:1 |
Values
| HEX | #36498A |
| RGB | rgb(54, 73, 138) |
| HSL | hsl(226, 44%, 38%) |
| OKLCH | oklch(42.5% 0.11 269.1) |
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 #36498A | 8.47:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #36498A | 2.47:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #36498A text on white | 8.47:1 | AAA | Lc 89.0 | Fine for body text |
| #36498A text on black | 2.47:1 | Fails | Lc -13.2 | 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 800.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#AFC0EB
oklch(80.9% 0.064 268.1)
-
Step 400
400
#869EE1
oklch(70.7% 0.102 268.6)
-
Step 500
500
#6984D9
oklch(63.1% 0.132 269.1)
-
Step 600
600
#526CC6
oklch(55.6% 0.142 269.2)
-
Step 700
700
#425AAB
oklch(49.1% 0.132 268.7)
-
Step 800
800 (this color)
#36498A
oklch(42.5% 0.11 269.1)
-
Step 900
900
#2F3E6F
oklch(37.7% 0.086 269.2)
-
Step 950
950
#1C2541
oklch(27.1% 0.054 269.1)
#36498A 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) | #2B518C | 0.024 |
| Deuteranopia (no green cones) | #1E4989 | 0.025 |
| Tritanopia (no blue cones) | #005863 | 0.097 |
| Achromatopsia (no color) | #4D4D4D | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #36498A
#36498A
oklch(42.5% 0.11 269.1)
- #614B00
#614B00
oklch(42.4% 0.087 89.3)
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 #36498A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.027
- Dusk Blue #26538D ΔE 0.030
- Light Navy #155084 ΔE 0.036
- Blueberry #464196 ΔE 0.037
- Dark Slate Blue #483D8B ΔE 0.039
- Twilight #4E518B ΔE 0.043
- Deep Sea Blue #015482 ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.050
Use #36498A 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.