#979FDC
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.9% 0.089 278.1), rgb(151, 159, 220).
Aa
Black text reads best on this color (8.30:1).
About this color
#979FDC is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.089 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.053 away. Black text reads best on it, at 8.30:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.30:1 |
| White text | 2.52:1 |
Values
| HEX | #979FDC |
| RGB | rgb(151, 159, 220) |
| HSL | hsl(233, 50%, 73%) |
| OKLCH | oklch(71.9% 0.089 278.1) |
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 #979FDC | 2.52:1 | Fails | Lc -54.6 | Large or bold text, headings |
| Black text on #979FDC | 8.30:1 | AAA | Lc 54.5 | Large or bold text, headings |
| #979FDC text on white | 2.52:1 | Fails | Lc 49.5 | Large or bold text, headings |
| #979FDC text on black | 8.30:1 | AAA | Lc -52.4 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D4D8EE
oklch(88.6% 0.03 277.6)
-
Step 300
300
#B8BEE5
oklch(81% 0.055 278.2)
-
Step 400
400 (this color)
#979FDC
oklch(71.9% 0.089 278.1)
-
Step 500
500
#7A82CD
oklch(63.2% 0.113 278)
-
Step 600
600
#636ABA
oklch(55.6% 0.123 277.8)
-
Step 700
700
#5358A1
oklch(49.2% 0.116 278.3)
-
Step 800
800
#444882
oklch(42.7% 0.095 278.6)
-
Step 900
900
#393D68
oklch(37.7% 0.073 278.2)
-
Step 950
950
#21243D
oklch(27% 0.047 277.6)
#979FDC 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) | #8DA6DF | 0.021 |
| Deuteranopia (no green cones) | #89A0DA | 0.019 |
| Tritanopia (no blue cones) | #85AAB4 | 0.079 |
| Achromatopsia (no color) | #A3A3A3 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #979FDC
#979FDC
oklch(71.9% 0.089 278.1)
- #B3A562
#B3A562
oklch(71.9% 0.089 97.8)
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 #979FDC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.053
- Pale Purple #B790D4 ΔE 0.056
- Perrywinkle #8F8CE7 ΔE 0.059
- Cool Gray #8D99AE ΔE 0.069
- Bluey Grey #89A0B0 ΔE 0.071
- Cool Steel #97A7B3 ΔE 0.071
- Carolina Blue #8AB8FE ΔE 0.071
- Bluegrey #85A3B2 ΔE 0.073
Use #979FDC 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.