#6BB4BF
Closest named color: Bluegrey (#85A3B2). oklch(72.6% 0.075 208), rgb(107, 180, 191).
Aa
Black text reads best on this color (8.90:1).
About this color
#6BB4BF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.075 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegrey (#85A3B2), ΔE 0.049 away. Black text reads best on it, at 8.90:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Bluegrey (#85A3B2) |
| Black text | 8.90:1 |
| White text | 2.35:1 |
Values
| HEX | #6BB4BF |
| RGB | rgb(107, 180, 191) |
| HSL | hsl(188, 40%, 58%) |
| OKLCH | oklch(72.6% 0.075 208) |
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 #6BB4BF | 2.35:1 | Fails | Lc -51.3 | Large or bold text, headings |
| Black text on #6BB4BF | 8.90:1 | AAA | Lc 57.6 | Large or bold text, headings |
| #6BB4BF text on white | 2.35:1 | Fails | Lc 46.4 | Large or bold text, headings |
| #6BB4BF text on black | 8.90:1 | AAA | Lc -55.7 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0EDEE
oklch(93.7% 0.014 202.5)
-
Step 200
200
#C6DEE2
oklch(88.4% 0.026 208.7)
-
Step 300
300
#9ECAD0
oklch(81% 0.047 206.6)
-
Step 400
400 (this color)
#6BB4BF
oklch(72.6% 0.075 208)
-
Step 500
500
#2F99A7
oklch(63% 0.095 207.9)
-
Step 600
600
#008290
oklch(55.5% 0.095 208)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#074B53
oklch(37.9% 0.062 207.6)
-
Step 950
950
#092C30
oklch(27.1% 0.039 206)
#6BB4BF 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) | #A9AFC0 | 0.073 |
| Deuteranopia (no green cones) | #9BA4BF | 0.067 |
| Tritanopia (no blue cones) | #43BAB7 | 0.038 |
| Achromatopsia (no color) | #A9A9A9 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6BB4BF
#6BB4BF
oklch(72.6% 0.075 208)
- #D1958C
#D1958C
oklch(72.6% 0.074 28.6)
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 #6BB4BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegrey #85A3B2 ΔE 0.049
- Greyblue #77A1B5 ΔE 0.051
- Turquoise Blue #06B1C4 ΔE 0.054
- Cool Steel #97A7B3 ΔE 0.055
- Bluey Grey #89A0B0 ΔE 0.058
- Pewter #96A8A1 ΔE 0.059
- Topaz #13BBAF ΔE 0.061
- Light Sea Green #20B2AA ΔE 0.061
Use #6BB4BF 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.