#19758F
Closest named color: Sea Blue (#047495). oklch(52.4% 0.09 222.2), rgb(25, 117, 143).
Aa
White text reads best on this color (5.27:1).
About this color
#19758F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.090 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.012 away. White text reads best on it, at 5.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.98:1 |
| White text | 5.27:1 |
Values
| HEX | #19758F |
| RGB | rgb(25, 117, 143) |
| HSL | hsl(193, 70%, 33%) |
| OKLCH | oklch(52.4% 0.09 222.2) |
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 #19758F | 5.27:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #19758F | 3.98:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #19758F text on white | 5.27:1 | AA | Lc 75.8 | Fine for body text |
| #19758F text on black | 3.98:1 | AA large text | Lc -25.9 | 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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE4
oklch(88.5% 0.023 221.8)
-
Step 300
300
#A5C7D4
oklch(80.9% 0.041 223)
-
Step 400
400
#73AABE
oklch(70.7% 0.065 222.8)
-
Step 500
500
#4A95AD
oklch(63.1% 0.082 221.4)
-
Step 600
600 (this color)
#19758F
oklch(52.4% 0.09 222.2)
-
Step 700
700
#186B83
oklch(49.2% 0.083 222.4)
-
Step 800
800
#18576A
oklch(42.7% 0.069 222.3)
-
Step 900
900
#1C4856
oklch(37.7% 0.053 221.9)
-
Step 950
950
#122A32
oklch(26.9% 0.033 222)
#19758F 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) | #667290 | 0.072 |
| Deuteranopia (no green cones) | #56678F | 0.063 |
| Tritanopia (no blue cones) | #007D7D | 0.044 |
| Achromatopsia (no color) | #6C6C6C | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19758F
#19758F
oklch(52.4% 0.09 222.2)
- #95583F
#95583F
oklch(52.4% 0.089 42.8)
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 #19758F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.012
- Ocean #017B92 ΔE 0.017
- Ocean Blue #03719C ΔE 0.028
- Deep Aqua #08787F ΔE 0.031
- Muted Blue #3B719F ΔE 0.039
- Metallic Blue #4F738E ΔE 0.042
- Dull Blue #49759C ΔE 0.044
- Bluegreen #017A79 ΔE 0.044
Use #19758F 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.