#428195
Closest named color: Cerulean (#457B9D). oklch(56.9% 0.072 221), rgb(66, 129, 149).
Aa
Black text reads best on this color (4.80:1).
About this color
#428195 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.072 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.025 away. Black text reads best on it, at 4.80:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.80:1 |
| White text | 4.36:1 |
Values
| HEX | #428195 |
| RGB | rgb(66, 129, 149) |
| HSL | hsl(194, 39%, 42%) |
| OKLCH | oklch(56.9% 0.072 221) |
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 #428195 | 4.36:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #428195 | 4.80:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #428195 text on white | 4.36:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #428195 text on black | 4.80:1 | AA | Lc -31.5 | Non-text elements, placeholder text |
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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3EBEE
oklch(93.5% 0.009 222.1)
-
Step 200
200
#CDDCE1
oklch(88.5% 0.018 219.7)
-
Step 300
300
#ABC6CF
oklch(80.9% 0.032 219.9)
-
Step 400
400
#7DA8B7
oklch(70.6% 0.051 221.4)
-
Step 500
500
#5A93A6
oklch(63.1% 0.066 221.3)
-
Step 600
600 (this color)
#428195
oklch(56.9% 0.072 221)
-
Step 700
700
#2F697B
oklch(49% 0.067 221.1)
-
Step 800
800
#285664
oklch(42.7% 0.055 220.3)
-
Step 900
900
#264752
oklch(37.8% 0.043 221.6)
-
Step 950
950
#172A30
oklch(27.1% 0.027 220)
#428195 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) | #757E96 | 0.059 |
| Deuteranopia (no green cones) | #697595 | 0.053 |
| Tritanopia (no blue cones) | #008887 | 0.047 |
| Achromatopsia (no color) | #797979 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428195
#428195
oklch(56.9% 0.072 221)
- #9C6956
#9C6956
oklch(57% 0.072 41.2)
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 #428195, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.025
- Stormy Blue #507B9C ΔE 0.027
- Teal Blue #01889F ΔE 0.032
- Grey Blue #647D8E ΔE 0.037
- Metallic Blue #4F738E ΔE 0.040
- Ocean #017B92 ΔE 0.040
- Dull Blue #49759C ΔE 0.040
- Off Blue #5684AE ΔE 0.046
Use #428195 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.