#017E9C
Closest named color: Ocean (#017B92). oklch(55% 0.102 222.2), rgb(1, 126, 156).
Aa
White text reads best on this color (4.70:1).
About this color
#017E9C is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.102 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.016 away. White text reads best on it, at 4.70:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.46:1 |
| White text | 4.70:1 |
Values
| HEX | #017E9C |
| RGB | rgb(1, 126, 156) |
| HSL | hsl(192, 99%, 31%) |
| OKLCH | oklch(55% 0.102 222.2) |
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 #017E9C | 4.70:1 | AA | Lc -77.5 | Fine for body text |
| Black text on #017E9C | 4.46:1 | AA large text | Lc 32.0 | Non-text elements, placeholder text |
| #017E9C text on white | 4.70:1 | AA | Lc 72.1 | Content text, not long reading |
| #017E9C text on black | 4.46:1 | AA large text | Lc -29.6 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C8DDE5
oklch(88.4% 0.025 222.6)
-
Step 300
300
#A1C8D6
oklch(80.9% 0.046 221.7)
-
Step 400
400
#6BABC2
oklch(70.7% 0.074 222.9)
-
Step 500
500
#3D96B2
oklch(63.1% 0.093 222.1)
-
Step 600
600 (this color)
#017E9C
oklch(55% 0.102 222.2)
-
Step 700
700
#006C86
oklch(49.3% 0.091 222.1)
-
Step 800
800
#02586E
oklch(42.7% 0.079 222.5)
-
Step 900
900
#124959
oklch(37.8% 0.061 221.6)
-
Step 950
950
#0D2B34
oklch(27.1% 0.039 220.8)
#017E9C 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) | #6D7B9E | 0.082 |
| Deuteranopia (no green cones) | #5B6E9C | 0.072 |
| Tritanopia (no blue cones) | #008788 | 0.048 |
| Achromatopsia (no color) | #747474 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #017E9C
#017E9C
oklch(55% 0.102 222.2)
- #A35C40
#A35C40
oklch(55.1% 0.102 41.9)
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 #017E9C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.016
- Teal Blue #01889F ΔE 0.030
- Sea Blue #047495 ΔE 0.030
- Cerulean #457B9D ΔE 0.035
- Nice Blue #107AB0 ΔE 0.037
- Ocean Blue #03719C ΔE 0.040
- Dull Blue #49759C ΔE 0.044
- Blue NCS #118AB2 ΔE 0.045
Use #017E9C 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.