#5997AF
Closest named color: Cadet Blue (#5F9EA0). oklch(64.4% 0.073 225), rgb(89, 151, 175).
Aa
Black text reads best on this color (6.47:1).
About this color
#5997AF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.073 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.036 away. Black text reads best on it, at 6.47:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.47:1 |
| White text | 3.24:1 |
Values
| HEX | #5997AF |
| RGB | rgb(89, 151, 175) |
| HSL | hsl(197, 35%, 52%) |
| OKLCH | oklch(64.4% 0.073 225) |
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 #5997AF | 3.24:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #5997AF | 6.47:1 | AA | Lc 44.4 | Non-text elements, placeholder text |
| #5997AF text on white | 3.24:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #5997AF text on black | 6.47:1 | AA | Lc -42.1 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CCDCE3
oklch(88.5% 0.02 225.7)
-
Step 300
300
#A9C6D2
oklch(80.9% 0.036 224.7)
-
Step 400
400
#7AA9BC
oklch(70.8% 0.057 224.9)
-
Step 500
500 (this color)
#5997AF
oklch(64.4% 0.073 225)
-
Step 600
600
#377D96
oklch(55.6% 0.08 224.5)
-
Step 700
700
#296980
oklch(49% 0.074 225.2)
-
Step 800
800
#245668
oklch(42.7% 0.061 224.7)
-
Step 900
900
#234755
oklch(37.7% 0.048 225.6)
-
Step 950
950
#152A32
oklch(27.1% 0.031 224.6)
#5997AF 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) | #8A94B0 | 0.058 |
| Deuteranopia (no green cones) | #7D8BAF | 0.051 |
| Tritanopia (no blue cones) | #2C9E9F | 0.049 |
| Achromatopsia (no color) | #8F8F8F | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5997AF
#5997AF
oklch(64.4% 0.073 225)
- #B37F68
#B37F68
oklch(64.3% 0.073 44.8)
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 #5997AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.036
- Blue Grey #758DA3 ΔE 0.038
- Silver Lake Blue #778DA9 ΔE 0.040
- Faded Blue #658CBB ΔE 0.042
- Greyblue #77A1B5 ΔE 0.046
- Dusty Blue #5A86AD ΔE 0.049
- Light Slate Gray #778899 ΔE 0.052
- Sea #3C9992 ΔE 0.055
Use #5997AF 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.