#609CB5
Closest named color: Greyblue (#77A1B5). oklch(66.1% 0.073 226.5), rgb(96, 156, 181).
Aa
Black text reads best on this color (6.91:1).
About this color
#609CB5 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.073 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.030 away. Black text reads best on it, at 6.91:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 6.91:1 |
| White text | 3.03:1 |
Values
| HEX | #609CB5 |
| RGB | rgb(96, 156, 181) |
| HSL | hsl(198, 36%, 54%) |
| OKLCH | oklch(66.1% 0.073 226.5) |
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 #609CB5 | 3.03:1 | AA large text | Lc -62.4 | Content text, not long reading |
| Black text on #609CB5 | 6.91:1 | AA | Lc 47.0 | Large or bold text, headings |
| #609CB5 text on white | 3.03:1 | AA large text | Lc 57.0 | Large or bold text, headings |
| #609CB5 text on black | 6.91:1 | AA | Lc -44.7 | 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
#7BA8BC
oklch(70.6% 0.056 227.2)
-
Step 500
500 (this color)
#609CB5
oklch(66.1% 0.073 226.5)
-
Step 600
600
#3A7D97
oklch(55.7% 0.079 226.3)
-
Step 700
700
#2B6981
oklch(49.1% 0.074 226.8)
-
Step 800
800
#255669
oklch(42.8% 0.061 226.4)
-
Step 900
900
#244755
oklch(37.8% 0.047 226.2)
-
Step 950
950
#162932
oklch(26.9% 0.03 229.7)
#609CB5 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) | #8F99B6 | 0.056 |
| Deuteranopia (no green cones) | #8290B5 | 0.049 |
| Tritanopia (no blue cones) | #37A3A4 | 0.050 |
| Achromatopsia (no color) | #949494 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #609CB5
#609CB5
oklch(66.1% 0.073 226.5)
- #B8856D
#B8856D
oklch(66.1% 0.072 46.2)
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 #609CB5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.030
- Cadet Blue #5F9EA0 ΔE 0.035
- Silver Lake Blue #778DA9 ΔE 0.045
- Blue Grey #758DA3 ΔE 0.045
- Bluegrey #85A3B2 ΔE 0.049
- Faded Blue #658CBB ΔE 0.049
- Bluey Grey #89A0B0 ΔE 0.050
- Cool Gray #8D99AE ΔE 0.052
Use #609CB5 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.