#215974
Closest named color: Petrol (#005F6A). oklch(44% 0.073 232.9), rgb(33, 89, 116).
Aa
White text reads best on this color (7.64:1).
About this color
#215974 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.073 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.032 away. White text reads best on it, at 7.64:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.74:1 |
| White text | 7.64:1 |
Values
| HEX | #215974 |
| RGB | rgb(33, 89, 116) |
| HSL | hsl(200, 56%, 29%) |
| OKLCH | oklch(44% 0.073 232.9) |
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 #215974 | 7.64:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #215974 | 2.74:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #215974 text on white | 7.64:1 | AAA | Lc 86.3 | Fine for body text |
| #215974 text on black | 2.74:1 | Fails | Lc -15.7 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200
#CBDCE6
oklch(88.5% 0.023 233.4)
-
Step 300
300
#A6C6D8
oklch(80.9% 0.043 232.7)
-
Step 400
400
#75A8C4
oklch(70.6% 0.068 233)
-
Step 500
500
#4E92B6
oklch(63% 0.088 233.6)
-
Step 600
600
#2E7CA1
oklch(55.5% 0.094 232.8)
-
Step 700
700
#1F698A
oklch(49.2% 0.088 232.2)
-
Step 800
800 (this color)
#215974
oklch(44% 0.073 232.9)
-
Step 900
900
#1E475B
oklch(37.8% 0.057 232.2)
-
Step 950
950
#132935
oklch(26.9% 0.036 234.1)
#215974 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) | #4C5875 | 0.048 |
| Deuteranopia (no green cones) | #405074 | 0.040 |
| Tritanopia (no blue cones) | #006062 | 0.046 |
| Achromatopsia (no color) | #535353 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #215974
#215974
oklch(44% 0.073 232.9)
- #72462A
#72462A
oklch(43.9% 0.073 52.2)
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 #215974, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.032
- YInMn Blue #415A77 ΔE 0.034
- Deep Sea Blue #015482 ΔE 0.035
- Light Navy Blue #2E5A88 ΔE 0.036
- Light Navy #155084 ΔE 0.044
- Deep Teal #00555A ΔE 0.049
- Dusk Blue #26538D ΔE 0.050
- Denim #3B638C ΔE 0.055
Use #215974 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.