#6899BF
Closest named color: Greyblue (#77A1B5). oklch(66.3% 0.077 242.6), rgb(104, 153, 191).
Aa
Black text reads best on this color (6.89:1).
About this color
#6899BF is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.077 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.036 away. Black text reads best on it, at 6.89:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 6.89:1 |
| White text | 3.04:1 |
Values
| HEX | #6899BF |
| RGB | rgb(104, 153, 191) |
| HSL | hsl(206, 40%, 58%) |
| OKLCH | oklch(66.3% 0.077 242.6) |
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 #6899BF | 3.04:1 | AA large text | Lc -62.5 | Content text, not long reading |
| Black text on #6899BF | 6.89:1 | AA | Lc 46.9 | Large or bold text, headings |
| #6899BF text on white | 3.04:1 | AA large text | Lc 57.2 | Large or bold text, headings |
| #6899BF text on black | 6.89:1 | AA | Lc -44.6 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CEDBE6
oklch(88.5% 0.021 243.4)
-
Step 300
300
#ACC4D8
oklch(80.9% 0.039 243.3)
-
Step 400
400
#80A6C4
oklch(70.8% 0.061 242.5)
-
Step 500
500 (this color)
#6899BF
oklch(66.3% 0.077 242.6)
-
Step 600
600
#4479A1
oklch(55.6% 0.084 242.9)
-
Step 700
700
#35668A
oklch(49.2% 0.079 242.5)
-
Step 800
800
#2D5370
oklch(42.7% 0.065 243.2)
-
Step 900
900
#28455A
oklch(37.7% 0.05 241.3)
-
Step 950
950
#182835
oklch(26.9% 0.033 243.9)
#6899BF 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) | #8999C1 | 0.040 |
| Deuteranopia (no green cones) | #7D90BE | 0.033 |
| Tritanopia (no blue cones) | #43A2A6 | 0.063 |
| Achromatopsia (no color) | #949494 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6899BF
#6899BF
oklch(66.3% 0.077 242.6)
- #B58961
#B58961
oklch(66.3% 0.077 63.2)
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 #6899BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.036
- Faded Blue #658CBB ΔE 0.037
- Silver Lake Blue #778DA9 ΔE 0.041
- Blue Grey #758DA3 ΔE 0.046
- Cool Gray #8D99AE ΔE 0.050
- Bluey Grey #89A0B0 ΔE 0.052
- Bluegrey #85A3B2 ΔE 0.053
- Cadet Blue #5F9EA0 ΔE 0.055
Use #6899BF 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.