#215C79
Closest named color: Light Navy Blue (#2E5A88). oklch(45% 0.076 233.6), rgb(33, 92, 121).
Aa
White text reads best on this color (7.31:1).
About this color
#215C79 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.076 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.030 away. White text reads best on it, at 7.31:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.87:1 |
| White text | 7.31:1 |
Values
| HEX | #215C79 |
| RGB | rgb(33, 92, 121) |
| HSL | hsl(200, 57%, 30%) |
| OKLCH | oklch(45% 0.076 233.6) |
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 #215C79 | 7.31:1 | AAA | Lc -90.0 | Preferred for body text |
| Black text on #215C79 | 2.87:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #215C79 text on white | 7.31:1 | AAA | Lc 85.1 | Fine for body text |
| #215C79 text on black | 2.87:1 | Fails | Lc -16.9 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#CADCE7
oklch(88.4% 0.025 234.5)
-
Step 300
300
#A5C6D9
oklch(80.9% 0.044 233.3)
-
Step 400
400
#73A9C6
oklch(70.8% 0.071 232.6)
-
Step 500
500
#4B93B8
oklch(63.2% 0.091 233.1)
-
Step 600
600
#297CA4
oklch(55.5% 0.099 233.9)
-
Step 700
700
#1A698D
oklch(49.2% 0.092 233.6)
-
Step 800
800 (this color)
#215C79
oklch(45% 0.076 233.6)
-
Step 900
900
#1C475C
oklch(37.8% 0.059 232.6)
-
Step 950
950
#122936
oklch(26.9% 0.038 235.3)
#215C79 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) | #4E5B7A | 0.049 |
| Deuteranopia (no green cones) | #425279 | 0.042 |
| Tritanopia (no blue cones) | #006466 | 0.049 |
| Achromatopsia (no color) | #565656 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #215C79
#215C79
oklch(45% 0.076 233.6)
- #76492A
#76492A
oklch(45% 0.076 54.1)
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 #215C79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.030
- YInMn Blue #415A77 ΔE 0.031
- Petrol #005F6A ΔE 0.034
- Deep Sea Blue #015482 ΔE 0.037
- Denim #3B638C ΔE 0.045
- Light Navy #155084 ΔE 0.047
- Dusk Blue #26538D ΔE 0.048
- Peacock Blue #016795 ΔE 0.049
Use #215C79 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.