#177993
Closest named color: Ocean (#017B92). oklch(53.5% 0.092 221.2), rgb(23, 121, 147).
Aa
White text reads best on this color (5.00:1).
About this color
#177993 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.092 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.008 away. White text reads best on it, at 5.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.19:1 |
| White text | 5.00:1 |
Values
| HEX | #177993 |
| RGB | rgb(23, 121, 147) |
| HSL | hsl(193, 73%, 33%) |
| OKLCH | oklch(53.5% 0.092 221.2) |
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 #177993 | 5.00:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #177993 | 4.19:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #177993 text on white | 5.00:1 | AA | Lc 74.2 | Content text, not long reading |
| #177993 text on black | 4.19:1 | AA large text | Lc -27.5 | 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
#C9DDE4
oklch(88.5% 0.023 220.8)
-
Step 300
300
#A4C7D4
oklch(80.8% 0.042 222.4)
-
Step 400
400
#71ABBE
oklch(70.8% 0.066 220.6)
-
Step 500
500
#4795AE
oklch(63.1% 0.085 221.7)
-
Step 600
600 (this color)
#177993
oklch(53.5% 0.092 221.2)
-
Step 700
700
#106B83
oklch(49% 0.086 221.5)
-
Step 800
800
#13586A
oklch(42.8% 0.071 219.9)
-
Step 900
900
#194856
oklch(37.6% 0.055 220.9)
-
Step 950
950
#102A33
oklch(26.9% 0.036 223.3)
#177993 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) | #6A7694 | 0.076 |
| Deuteranopia (no green cones) | #5A6A93 | 0.067 |
| Tritanopia (no blue cones) | #008181 | 0.044 |
| Achromatopsia (no color) | #6F6F6F | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #177993
#177993
oklch(53.5% 0.092 221.2)
- #9A5A42
#9A5A42
oklch(53.5% 0.092 41.1)
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 #177993, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.008
- Sea Blue #047495 ΔE 0.018
- Ocean Blue #03719C ΔE 0.033
- Deep Aqua #08787F ΔE 0.033
- Cerulean #457B9D ΔE 0.038
- Muted Blue #3B719F ΔE 0.040
- Dull Blue #49759C ΔE 0.042
- Metallic Blue #4F738E ΔE 0.043
Use #177993 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.