#579AA7
Closest named color: Cadet Blue (#5F9EA0). oklch(64.7% 0.071 211.5), rgb(87, 154, 167).
Aa
Black text reads best on this color (6.58:1).
About this color
#579AA7 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.071 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.020 away. Black text reads best on it, at 6.58:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.58:1 |
| White text | 3.18:1 |
Values
| HEX | #579AA7 |
| RGB | rgb(87, 154, 167) |
| HSL | hsl(190, 31%, 50%) |
| OKLCH | oklch(64.7% 0.071 211.5) |
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 #579AA7 | 3.18:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #579AA7 | 6.58:1 | AA | Lc 45.1 | Large or bold text, headings |
| #579AA7 text on white | 3.18:1 | AA large text | Lc 58.9 | Large or bold text, headings |
| #579AA7 text on black | 6.58:1 | AA | Lc -42.8 | 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 500.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CBDDE0
oklch(88.5% 0.02 208.8)
-
Step 300
300
#A8C7CD
oklch(80.9% 0.034 210.7)
-
Step 400
400
#78AAB4
oklch(70.6% 0.055 211.4)
-
Step 500
500 (this color)
#579AA7
oklch(64.7% 0.071 211.5)
-
Step 600
600
#337F8D
oklch(55.5% 0.077 211.7)
-
Step 700
700
#246B78
oklch(49% 0.072 212.1)
-
Step 800
800
#205862
oklch(42.8% 0.06 211.3)
-
Step 900
900
#214850
oklch(37.7% 0.046 212.7)
-
Step 950
950
#142A2F
oklch(26.9% 0.029 214)
#579AA7 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) | #8F96A8 | 0.066 |
| Deuteranopia (no green cones) | #828CA7 | 0.060 |
| Tritanopia (no blue cones) | #2DA09E | 0.039 |
| Achromatopsia (no color) | #909090 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #579AA7
#579AA7
oklch(64.7% 0.071 211.5)
- #B57E74
#B57E74
oklch(64.6% 0.071 30.6)
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 #579AA7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.020
- Sea #3C9992 ΔE 0.041
- Dull Teal #5F9E8F ΔE 0.042
- Grey Teal #5E9B8A ΔE 0.045
- Blue Grey #758DA3 ΔE 0.045
- Greyblue #77A1B5 ΔE 0.046
- Silver Lake Blue #778DA9 ΔE 0.050
- Persian Green #2A9D8F ΔE 0.054
Use #579AA7 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.