#215689
Closest named color: Dusk Blue (#26538D). oklch(44.4% 0.101 250.5), rgb(33, 86, 137).
Aa
White text reads best on this color (7.61:1).
About this color
#215689 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.101 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.012 away. White text reads best on it, at 7.61:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.75:1 |
| White text | 7.61:1 |
Values
| HEX | #215689 |
| RGB | rgb(33, 86, 137) |
| HSL | hsl(209, 61%, 33%) |
| OKLCH | oklch(44.4% 0.101 250.5) |
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 #215689 | 7.61:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #215689 | 2.75:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #215689 text on white | 7.61:1 | AAA | Lc 86.2 | Fine for body text |
| #215689 text on black | 2.75:1 | Fails | Lc -15.9 | 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 800.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEF
oklch(88.5% 0.033 252.5)
-
Step 300
300
#A5C4E6
oklch(80.9% 0.059 250.9)
-
Step 400
400
#73A5DA
oklch(70.7% 0.095 250.7)
-
Step 500
500
#4C8DCF
oklch(63% 0.12 250.6)
-
Step 600
600
#2C76BD
oklch(55.6% 0.132 250.8)
-
Step 700
700
#1E63A3
oklch(49.1% 0.123 250.7)
-
Step 800
800 (this color)
#215689
oklch(44.4% 0.101 250.5)
-
Step 900
900
#1D446A
oklch(37.8% 0.079 250.2)
-
Step 950
950
#12283E
oklch(27.1% 0.05 250.2)
#215689 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) | #3F598B | 0.033 |
| Deuteranopia (no green cones) | #2F4F88 | 0.022 |
| Tritanopia (no blue cones) | #006269 | 0.075 |
| Achromatopsia (no color) | #545454 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #215689
#215689
oklch(44.4% 0.101 250.5)
- #754900
#754900
oklch(44.5% 0.096 70.5)
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 #215689, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.012
- Light Navy Blue #2E5A88 ΔE 0.018
- Deep Sea Blue #015482 ΔE 0.021
- Light Navy #155084 ΔE 0.022
- Denim Blue #3B5B92 ΔE 0.034
- Cobalt #1E488F ΔE 0.044
- YInMn Blue #415A77 ΔE 0.047
- Denim #3B638C ΔE 0.049
Use #215689 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.