#6997DB
Closest named color: Cornflower Blue (#6495ED). oklch(67.2% 0.113 258), rgb(105, 151, 219).
Aa
Black text reads best on this color (7.05:1).
About this color
#6997DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.113 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.029 away. Black text reads best on it, at 7.05:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.05:1 |
| White text | 2.97:1 |
Values
| HEX | #6997DB |
| RGB | rgb(105, 151, 219) |
| HSL | hsl(216, 61%, 64%) |
| OKLCH | oklch(67.2% 0.113 258) |
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 #6997DB | 2.97:1 | Fails | Lc -61.6 | Content text, not long reading |
| Black text on #6997DB | 7.05:1 | AAA | Lc 47.8 | Large or bold text, headings |
| #6997DB text on white | 2.97:1 | Fails | Lc 56.3 | Large or bold text, headings |
| #6997DB text on black | 7.05:1 | AAA | Lc -45.5 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF8
oklch(93.7% 0.02 257.5)
-
Step 200
200
#C9DBF4
oklch(88.6% 0.04 256.6)
-
Step 300
300
#A5C3EF
oklch(81% 0.071 257.9)
-
Step 400
400 (this color)
#6997DB
oklch(67.2% 0.113 258)
-
Step 500
500
#4E89E0
oklch(63.1% 0.145 258.1)
-
Step 600
600
#3171CD
oklch(55.6% 0.157 258)
-
Step 700
700
#235EB2
oklch(49.1% 0.147 258)
-
Step 800
800
#1F4D90
oklch(42.7% 0.122 258.2)
-
Step 900
900
#1F4173
oklch(37.8% 0.095 258.1)
-
Step 950
950
#132643
oklch(26.9% 0.06 258.6)
#6997DB 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) | #7C9BDE | 0.026 |
| Deuteranopia (no green cones) | #6E91DA | 0.016 |
| Tritanopia (no blue cones) | #2EA6AF | 0.101 |
| Achromatopsia (no color) | #959595 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6997DB
#6997DB
oklch(67.2% 0.113 258)
- #BC8C3B
#BC8C3B
oklch(67.1% 0.113 77.6)
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 #6997DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.029
- Chefchaouen Blue #4895EF ΔE 0.043
- Dark Sky Blue #448EE4 ΔE 0.049
- Soft Blue #6488EA ΔE 0.051
- Faded Blue #658CBB ΔE 0.052
- Perrywinkle #8F8CE7 ΔE 0.059
- Periwinkle Blue #8F99FB ΔE 0.069
- Greyblue #77A1B5 ΔE 0.072
Use #6997DB 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.