#217595
Closest named color: Sea Blue (#047495). oklch(52.8% 0.092 228.4), rgb(33, 117, 149).
Aa
White text reads best on this color (5.19:1).
About this color
#217595 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.092 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.011 away. White text reads best on it, at 5.19:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 4.04:1 |
| White text | 5.19:1 |
Values
| HEX | #217595 |
| RGB | rgb(33, 117, 149) |
| HSL | hsl(197, 64%, 36%) |
| OKLCH | oklch(52.8% 0.092 228.4) |
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 #217595 | 5.19:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #217595 | 4.04:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #217595 text on white | 5.19:1 | AA | Lc 75.4 | Fine for body text |
| #217595 text on black | 4.04:1 | AA large text | Lc -26.3 | 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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADCE5
oklch(88.4% 0.023 229.1)
-
Step 300
300
#A6C6D6
oklch(80.8% 0.041 229.5)
-
Step 400
400
#74A9C1
oklch(70.6% 0.066 228)
-
Step 500
500
#4D93B2
oklch(63% 0.084 229)
-
Step 600
600 (this color)
#217595
oklch(52.8% 0.092 228.4)
-
Step 700
700
#1D6A87
oklch(49.2% 0.085 228.1)
-
Step 800
800
#1B566D
oklch(42.6% 0.07 228.1)
-
Step 900
900
#1D4759
oklch(37.7% 0.056 229)
-
Step 950
950
#122A34
oklch(27.1% 0.035 227.4)
#217595 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) | #647397 | 0.065 |
| Deuteranopia (no green cones) | #556895 | 0.057 |
| Tritanopia (no blue cones) | #007E80 | 0.051 |
| Achromatopsia (no color) | #6D6D6D | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #217595
#217595
oklch(52.8% 0.092 228.4)
- #965A3A
#965A3A
oklch(52.9% 0.092 48.1)
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 #217595, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.011
- Ocean #017B92 ΔE 0.021
- Ocean Blue #03719C ΔE 0.022
- Muted Blue #3B719F ΔE 0.029
- Dull Blue #49759C ΔE 0.035
- Cerulean #457B9D ΔE 0.037
- Metallic Blue #4F738E ΔE 0.038
- Flat Blue #3C73A8 ΔE 0.039
Use #217595 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.