#017A9A
Closest named color: Ocean (#017B92). oklch(53.9% 0.101 224.5), rgb(1, 122, 154).
Aa
White text reads best on this color (4.93:1).
About this color
#017A9A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.101 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.014 away. White text reads best on it, at 4.93:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.25:1 |
| White text | 4.93:1 |
Values
| HEX | #017A9A |
| RGB | rgb(1, 122, 154) |
| HSL | hsl(193, 99%, 30%) |
| OKLCH | oklch(53.9% 0.101 224.5) |
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 #017A9A | 4.93:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #017A9A | 4.25:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #017A9A text on white | 4.93:1 | AA | Lc 73.6 | Content text, not long reading |
| #017A9A text on black | 4.25:1 | AA large text | Lc -28.1 | 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
#C8DDE6
oklch(88.5% 0.026 225.3)
-
Step 300
300
#A2C8D7
oklch(81% 0.046 223.9)
-
Step 400
400
#6CABC3
oklch(70.8% 0.074 224.2)
-
Step 500
500
#3F95B4
oklch(63% 0.094 225.1)
-
Step 600
600 (this color)
#017A9A
oklch(53.9% 0.101 224.5)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#07586F
oklch(42.8% 0.078 224.1)
-
Step 900
900
#14485A
oklch(37.7% 0.061 225.3)
-
Step 950
950
#0E2A34
oklch(26.9% 0.038 224.5)
#017A9A 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) | #68779C | 0.078 |
| Deuteranopia (no green cones) | #566B9A | 0.067 |
| Tritanopia (no blue cones) | #008385 | 0.050 |
| Achromatopsia (no color) | #707070 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #017A9A
#017A9A
oklch(53.9% 0.101 224.5)
- #9E593A
#9E593A
oklch(53.8% 0.101 44.3)
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 #017A9A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.014
- Sea Blue #047495 ΔE 0.018
- Ocean Blue #03719C ΔE 0.028
- Nice Blue #107AB0 ΔE 0.036
- Cerulean #457B9D ΔE 0.038
- Muted Blue #3B719F ΔE 0.038
- Teal Blue #01889F ΔE 0.042
- Dull Blue #49759C ΔE 0.042
Use #017A9A 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.